{"id":3349,"date":"2022-12-11T11:32:05","date_gmt":"2022-12-11T11:32:05","guid":{"rendered":"https:\/\/theexampillar.com\/ncert\/?p=3349"},"modified":"2023-01-31T06:51:08","modified_gmt":"2023-01-31T06:51:08","slug":"ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4","status":"publish","type":"post","link":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/","title":{"rendered":"NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4"},"content":{"rendered":"<h2 style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">NCERT Solutions Class 8 Mathematics\u00a0<\/span><br \/>\n<span style=\"color: #000000; font-family: georgia, palatino, serif;\">Chapter &#8211; 11 (Mensuration)\u00a0<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">The NCERT Solutions in English Language for Class 8 Mathematics <strong>Chapter &#8211; 11 Mensuration <\/strong>Exercise 11.4 has been provided here to help the students in solving the questions from this exercise.\u00a0<\/span><\/p>\n<h4><span style=\"color: #000000;\"><strong>Chapter 11: Mensuration<\/strong><\/span><\/h4>\n<ul>\n<li><a href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-1\" target=\"_blank\" rel=\"noopener\">NCERT Solution Class 8 Maths Ex &#8211; 11.1<\/a><\/li>\n<li><a href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-2\" target=\"_blank\" rel=\"noopener\">NCERT Solution Class 8 Maths Ex &#8211; 11.2<\/a><\/li>\n<li><a href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-3\" target=\"_blank\" rel=\"noopener\">NCERT Solution Class 8 Maths Ex &#8211; 11.3<\/a><\/li>\n<\/ul>\n<h2 style=\"text-align: center;\"><span style=\"color: #000000; font-family: georgia, palatino, serif;\">Exercise &#8211; 11.4\u00a0<\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>1.Given a cylindrical tank, in which situation will you find surface are and in which situation volume.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3384\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png\" alt=\"NCERT Maths Solutions Class 8\" width=\"204\" height=\"225\" \/><br \/>\n<\/strong><strong>(a)<\/strong> To find how much it can hold.<br \/>\n<strong>(b)<\/strong> Number of cement bags required to plaster it.<br \/>\n<strong>(c)<\/strong> To find the number of smaller tanks that can be filled with water from it.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Solution &#8211;<\/strong> <\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>(a)<\/strong> To find how much it can hold.\u00a0 <strong>(Volume)<\/strong><br \/>\n<strong>(b)<\/strong> Number of cement bags required to plaster it. <strong>(Surface area)<\/strong><br \/>\n<strong>(c)<\/strong> To find the number of smaller tanks that can be filled with water from it. <strong>(Volume)<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>2. Diameter of cylinder A is 7 cm and the height is 14 cm. Diameter of cylinder B is 14 cm and height is 7 cm. Without doing any calculations can you suggest whose volume is greater? Verify it by finding the volume of both the cylinders. Check whether the cylinder with greater volume also has greater surface area.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3382\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-2.png\" alt=\"NCERT Maths Solutions Class 8\" width=\"295\" height=\"181\" \/><br \/>\n<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Solution &#8211; <\/strong>Yes, we can say that volume of cylinder B is greater, since radius of cylinder B is greater than that of cylinder A.<br \/>\nRadius of cylinder A(r) = 7\/2 cm = 3.5 cm<\/span><br \/>\n<span style=\"color: #000000;\">Height of cylinder A(h) = 14 cm<\/span><\/p>\n<p><span style=\"color: #000000;\">Volume of cylinder A = \u03c0r\u00b2h <\/span><br \/>\n<span style=\"color: #000000;\">= <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{22}{7}\" alt=\"\\frac{22}{7}\" align=\"absmiddle\" \/> \u00d7 3.5\u00a0\u00d7 3.5\u00a0\u00d7 7 <\/span><br \/>\n<span style=\"color: #000000;\">= 269.5 cm\u00b3 <\/span><\/p>\n<p><span style=\"color: #000000;\">Radius of cylinder B (r\u2081) = 14\/2 cm = 7 cm <\/span><br \/>\n<span style=\"color: #000000;\">Height of cylinder B (h\u2081) = 7 cm <\/span><br \/>\n<span style=\"color: #000000;\">Volume of cylinder B = \u03c0r\u2081\u00b2h\u2081 <\/span><br \/>\n<span style=\"color: #000000;\">= <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{22}{7}\" alt=\"\\frac{22}{7}\" align=\"absmiddle\" \/>\u00a0 \u00d7 7 \u00d7 7 \u00d7 7 = 1078 cm\u00b3 <\/span><\/p>\n<p><span style=\"color: #000000;\">CSA of cylinder\u00a0A = 2\u03c0rh <\/span><br \/>\n<span style=\"color: #000000;\">= 2 \u00d7 <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{22}{7}\" alt=\"\\frac{22}{7}\" align=\"absmiddle\" \/> \u00d7 3.5 \u00d7 14 <\/span><br \/>\n<span style=\"color: #000000;\">= 308 cm\u00b2 <\/span><\/p>\n<p><span style=\"color: #000000;\">Total surface area (TSA) of cylinder A = 2\u03c0r (r + h) <\/span><br \/>\n<span style=\"color: #000000;\">= 2\u03c0r\u00b2 + 2\u03c0rh <\/span><br \/>\n<span style=\"color: #000000;\">= (2 \u00d7 <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{22}{7}\" alt=\"\\frac{22}{7}\" align=\"absmiddle\" \/> \u00d7 3.5 \u00d7 3.5) cm\u00b2 + 308 cm\u00b2<\/span><br \/>\n<span style=\"color: #000000;\">= 385 cm\u00b2<\/span><\/p>\n<p><span style=\"color: #000000;\">CSA of cylinder B = 2\u03c0r<sub>\u2081<\/sub>h<sub>\u2081<\/sub> <\/span><br \/>\n<span style=\"color: #000000;\">= 2 \u00d7 <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{22}{7}\" alt=\"\\frac{22}{7}\" align=\"absmiddle\" \/> \u00d7 7 \u00d7 7 <\/span><br \/>\n<span style=\"color: #000000;\">= 308 cm\u00b2 <\/span><\/p>\n<p><span style=\"color: #000000;\">Total surface area (TSA) of cylinder B = 2\u03c0r\u2081 (r<sub>\u2081<\/sub> + h<sub>\u2081<\/sub>) <\/span><br \/>\n<span style=\"color: #000000;\">= 2\u03c0r<sub>\u2081<\/sub>\u00b2h<sub>\u2081<\/sub> + 2\u03c0r<sub>\u2081<\/sub>h<sub>\u2081<br \/>\n<\/sub>= (2 \u00d7 <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{22}{7}\" alt=\"\\frac{22}{7}\" align=\"absmiddle\" \/> \u00d7 7 \u00d7 7) cm\u00b2 + 308 cm<\/span><br \/>\n<span style=\"color: #000000;\">= 308 cm\u00b2 + 308 cm\u00b2<\/span><br \/>\n<span style=\"color: #000000;\">= 616 cm\u00b2<\/span><br \/>\n<span style=\"color: #000000;\">Yes, the cylinder with greater volume also has a greater surface area.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>3. Find the height of a cuboid whose base area is 180\u00a0cm<sup>2<\/sup>\u00a0and volume is 900 cm<sup>3<\/sup>?<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Solution &#8211; <\/strong>Base area of cuboid = 180 cm<sup>2<\/sup><br \/>\nVolume of cuboid = 900 cm<sup>3<br \/>\n<\/sup>Volume of cuboid = lbh<br \/>\n900 = 180\u00d7h (substituting the values)<br \/>\nh= 900\/180 = 5<br \/>\nHence the height of the cuboid is 5 cm.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>4. A cuboid is of dimensions 60 cm\u00d754 cm\u00d730 cm. How many small cubes with side 6 cm can be placed in the given cuboid?<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Solution &#8211; <\/strong>Length of cuboid, l\u00a0= 60 cm,<br \/>\nBreadth of cuboid, b = 54 cm and<br \/>\nHeight of cuboid, h = 30 cm<br \/>\nVolume of cuboid = lbh<br \/>\n= 60 \u00d7 54 \u00d7 30<br \/>\n= 97200 cm<sup>3<br \/>\n<\/sup>Volume of cube = (Side)<sup>3<br \/>\n<\/sup>= 6\u00d76\u00d76\u00a0= 216 cm<sup>3<br \/>\n<\/sup>Also, the Number of small cubes =\u00a0 volume of cuboid \/ volume of cube<br \/>\n= 97200\/216<br \/>\n= 450<br \/>\nHence , the required number of cubes is 450.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>5. Find the height of the cylinder whose volume if 1.54\u00a0m<sup>3<\/sup>\u00a0and diameter of the base is 140 cm.<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Solution &#8211; <\/strong>Volume of cylinder = 1.54\u00a0m<sup>3<br \/>\n<\/sup>Diameter of cylinder = 140 cm<br \/>\nRadius\u00a0 (r)=\u00a0 d\/2 = 140\/2 \u00a0= 70 cm<br \/>\nVolume of cylinder = \u03c0r<sup>2<\/sup>h<br \/>\n1.54 = <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{22}{7}\" alt=\"\\frac{22}{7}\" align=\"absmiddle\" \/>\u00a0 \u00d7 0.7 \u00d7 0.7 \u00d7 h<br \/>\nAfter simplifying, we get the value of h, which is,<br \/>\nh = <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{1.54}{22\\times&amp;space;0.7}\" alt=\"\\frac{1.54}{22\\times 0.7}\" align=\"absmiddle\" \/><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">h = 1<br \/>\nHence, the height of the cylinder is 1 m.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>6. A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find the quantity of milk in liters that can be stored in the tank.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3383\" src=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-6.png\" alt=\"NCERT Maths Solutions Class 8\" width=\"320\" height=\"190\" srcset=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-6.png 320w, https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-6-300x178.png 300w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><br \/>\n<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Solution &#8211; <\/strong>Radius of cylindrical tank, r = 1.5 m<br \/>\nHeight of cylindrical tank, h \u00a0= 7 m<br \/>\nVolume of cylindrical tank, V =\u00a0 \u03c0r<sup>2<\/sup>h<br \/>\n= <img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{22}{7}\" alt=\"\\frac{22}{7}\" align=\"absmiddle\" \/> \u00d7 1.5 \u00d7 1.5 \u00d7 7<br \/>\n= 49.5\u00a0 cm<sup>3<br \/>\n<\/sup>= 49.5\u00d71000 liters = 49500 liters [\u2235\u00a01\u00a0m<sup>3<\/sup>= 1000 litres]<br \/>\nHence, the required quantity of milk is 49500 litres.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>7. If each edge of a cube is doubled,<br \/>\n<\/strong><strong>(i)<\/strong> how many times will its surface area increase?<br \/>\n<strong>(ii)<\/strong> how many times will its volume increase?<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Solution &#8211;<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>(i)<\/strong> Let the edge of the cube be \u201cl\u201d .<br \/>\nFormula for Surface area of the cube, A =\u00a0 6l<sup>2<br \/>\n<\/sup>When the edge of the cube is doubled, then<br \/>\nSurface area of the cube, say A\u2019 = 6(2l)<sup>2<\/sup><br \/>\n= 6\u00d74l<sup>2<\/sup><br \/>\n= 4(6l<sup>2<\/sup>)<br \/>\nA\u2019 = 4A<br \/>\nHence, the surface area will increase by four times.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>(ii)<\/strong> Volume of a cube, V = l<sup>3<br \/>\n<\/sup>When the edge of the cube is doubled, then<br \/>\nVolume of the cube, say V\u2019 = (2l)<sup>3<\/sup>\u00a0= 8( l<sup>3<\/sup>)<br \/>\nV\u2019 = 8\u00d7V<br \/>\nHence, the volume will increase 8 times.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>8. Water is pouring into a cuboidal reservoir at the rate of 60 liters per minute. If the volume of reservoir is 108 m<sup>3<\/sup>, find the number of hours it will take to fill the reservoir.<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong>Solution &#8211; <\/strong>the volume of the reservoir = 108 m<sup>3<br \/>\n<\/sup>Rate of pouring water into cuboidal reservoir = 60 litres\/minute<br \/>\n=\u00a0 60\/1000 \u00a0m<sup>3\u00a0<\/sup>per minute<br \/>\nSince 1 liter = (1\/1000 )m<sup>3<br \/>\n<\/sup>=\u00a0 (60\u00d760)\/1000 m<sup>3<\/sup>\u00a0per hour<br \/>\nTherefore, (60\u00d760)\/1000 m<sup>3<\/sup>\u00a0water filled in reservoir will take = 1 hour<br \/>\nTherefore\u00a01\u00a0m<sup>3<\/sup>\u00a0water filled in reservoir will take =\u00a0 1000\/(60\u00d760) \u00a0hours<br \/>\nTherefore,\u00a0108\u00a0m<sup>3<\/sup>\u00a0water filled in reservoir will take =\u00a0(108\u00d71000)\/(60\u00d760) \u00a0hours<br \/>\n= 30 hours<br \/>\nThus, the number of hours it will take to fill the reservoir is 30 hours.<br \/>\n<\/span><\/p>\n<p>&nbsp;<\/p>\n<table style=\"width: 100%; border-collapse: collapse;\" border=\"1\">\n<tbody>\n<tr style=\"height: 32px;\">\n<td style=\"width: 100%; background-color: #f2e079; text-align: center; height: 32px;\"><span style=\"color: #ff0000; font-size: 14pt;\"><strong>NCERT Class 8<sup>th\u00a0<\/sup>Solution\u00a0<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 28px;\">\n<td style=\"width: 100%; text-align: left; height: 28px;\"><span style=\"font-size: 14pt;\"><strong><span style=\"font-family: georgia, palatino, serif; font-size: 12pt;\"><a class=\"row-title\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-english\/\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u201cNCERT Solutions Class 6 English\u201d (Edit)\">NCERT Solutions Class 8 English<\/a><\/span><\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 28px;\">\n<td style=\"width: 100%; text-align: left; height: 28px;\"><span style=\"font-size: 14pt;\"><strong><span style=\"font-family: georgia, palatino, serif; font-size: 12pt;\"><a class=\"row-title\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-hindi\/\" aria-label=\"\u201cNCERT Solutions Class 6 Maths\u201d (Edit)\">NCERT Solutions Class 8 Hindi<\/a><\/span><\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 28px;\">\n<td style=\"width: 100%; text-align: left; height: 28px;\"><span style=\"font-size: 14pt;\"><strong><span style=\"font-family: georgia, palatino, serif; font-size: 12pt;\"><a class=\"row-title\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths\/\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u201cNCERT Solutions Class 6 Maths\u201d (Edit)\">NCERT Solutions Class 8 Mathematics<\/a>\u00a0<\/span><\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 28px;\">\n<td style=\"width: 100%; text-align: left; height: 28px;\"><a href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-sanskrit-ruchira\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-size: 14pt;\"><strong><span style=\"font-family: georgia, palatino, serif; font-size: 12pt;\">NCERT Solutions Class 8 Sanskrit<\/span><\/strong><\/span><\/a><\/td>\n<\/tr>\n<tr style=\"height: 28px;\">\n<td style=\"width: 100%; text-align: left; height: 28px;\"><span style=\"font-size: 14pt;\"><strong><span style=\"font-family: georgia, palatino, serif; font-size: 12pt;\"><a class=\"row-title\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-science\/\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u201cNCERT Solutions Class 6 Social Science\u201d (Edit)\">NCERT Solutions Class 8 Science<\/a><\/span><\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 28px;\">\n<td style=\"width: 100%; text-align: left; height: 28px;\"><span style=\"font-size: 14pt;\"><strong><span style=\"font-family: georgia, palatino, serif; font-size: 12pt;\"><a class=\"row-title\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-social-science\/\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u201cNCERT Solutions Class 6 Social Science\u201d (Edit)\">NCERT Solutions Class 8 Social Science<\/a><\/span><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions Class 8 Mathematics\u00a0 Chapter &#8211; 11 (Mensuration)\u00a0 The NCERT Solutions in English Language for Class 8 Mathematics Chapter &#8211; 11 Mensuration Exercise 11.4 has been provided here to help the students in solving the questions from this exercise.\u00a0 Chapter 11: Mensuration NCERT Solution Class 8 Maths Ex &#8211; 11.1 NCERT Solution Class 8 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[442],"tags":[464,465,445,5],"class_list":["post-3349","post","type-post","status-publish","format-standard","hentry","category-class-8-maths","tag-ncert-class-8-maths-chapter-11-mensuration-in-english","tag-ncert-solutions-class-8-maths-chapter-11-in-english","tag-ncert-solutions-class-8-maths-in-english","tag-ncert-solutions-in-english"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.9 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4 | TheExamPillar NCERT<\/title>\n<meta name=\"description\" content=\"NCERT Solutions Class 8 Mathematics\u00a0Chapter - 11 (Mensuration)\u00a0The NCERT Solutions in English Language for Class 8 Mathematics Chapter - 11 Mensuration Exercise 11.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 11.4\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4\" \/>\n<meta property=\"og:description\" content=\"NCERT Solutions Class 8 Mathematics\u00a0Chapter - 11 (Mensuration)\u00a0The NCERT Solutions in English Language for Class 8 Mathematics Chapter - 11 Mensuration Exercise 11.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 11.4\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/\" \/>\n<meta property=\"og:site_name\" content=\"TheExamPillar NCERT\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-11T11:32:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-31T06:51:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png\" \/>\n<meta name=\"author\" content=\"Admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@exampillar\" \/>\n<meta name=\"twitter:site\" content=\"@exampillar\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/\"},\"author\":{\"name\":\"Admin\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#\\\/schema\\\/person\\\/521fbdbd2eb8621382a3096b5e3ecaf1\"},\"headline\":\"NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4\",\"datePublished\":\"2022-12-11T11:32:05+00:00\",\"dateModified\":\"2023-01-31T06:51:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/\"},\"wordCount\":803,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#\\\/schema\\\/person\\\/521fbdbd2eb8621382a3096b5e3ecaf1\"},\"image\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/12\\\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png\",\"keywords\":[\"NCERT Class 8 Maths Chapter 11 Mensuration in English\",\"NCERT Solutions Class 8 Maths Chapter 11 in english\",\"NCERT Solutions Class 8 Maths in English\",\"NCERT Solutions in English\"],\"articleSection\":[\"Class 8 Maths\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/\",\"url\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/\",\"name\":\"NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4 | TheExamPillar NCERT\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/12\\\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png\",\"datePublished\":\"2022-12-11T11:32:05+00:00\",\"dateModified\":\"2023-01-31T06:51:08+00:00\",\"description\":\"NCERT Solutions Class 8 Mathematics\u00a0Chapter - 11 (Mensuration)\u00a0The NCERT Solutions in English Language for Class 8 Mathematics Chapter - 11 Mensuration Exercise 11.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 11.4\u00a0\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/#primaryimage\",\"url\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/12\\\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png\",\"contentUrl\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/12\\\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png\",\"width\":204,\"height\":225,\"caption\":\"NCERT Maths Solutions Class 8\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#website\",\"url\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/\",\"name\":\"TheExamPillar NCERT\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#\\\/schema\\\/person\\\/521fbdbd2eb8621382a3096b5e3ecaf1\"},\"alternateName\":\"NCERT Solution\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/#\\\/schema\\\/person\\\/521fbdbd2eb8621382a3096b5e3ecaf1\",\"name\":\"Admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/cropped-ExamPillar-PNG.png\",\"url\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/cropped-ExamPillar-PNG.png\",\"contentUrl\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/cropped-ExamPillar-PNG.png\",\"width\":512,\"height\":512,\"caption\":\"Admin\"},\"logo\":{\"@id\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/cropped-ExamPillar-PNG.png\"},\"sameAs\":[\"https:\\\/\\\/theexampillar.com\\\/ncert\"],\"url\":\"https:\\\/\\\/theexampillar.com\\\/ncert\\\/author\\\/ncert_eng_vikram\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4 | TheExamPillar NCERT","description":"NCERT Solutions Class 8 Mathematics\u00a0Chapter - 11 (Mensuration)\u00a0The NCERT Solutions in English Language for Class 8 Mathematics Chapter - 11 Mensuration Exercise 11.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 11.4\u00a0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/","og_locale":"en_US","og_type":"article","og_title":"NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4","og_description":"NCERT Solutions Class 8 Mathematics\u00a0Chapter - 11 (Mensuration)\u00a0The NCERT Solutions in English Language for Class 8 Mathematics Chapter - 11 Mensuration Exercise 11.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 11.4\u00a0","og_url":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/","og_site_name":"TheExamPillar NCERT","article_published_time":"2022-12-11T11:32:05+00:00","article_modified_time":"2023-01-31T06:51:08+00:00","og_image":[{"url":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png","type":"","width":"","height":""}],"author":"Admin","twitter_card":"summary_large_image","twitter_creator":"@exampillar","twitter_site":"@exampillar","twitter_misc":{"Written by":"Admin","Est. reading time":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/#article","isPartOf":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/"},"author":{"name":"Admin","@id":"https:\/\/theexampillar.com\/ncert\/#\/schema\/person\/521fbdbd2eb8621382a3096b5e3ecaf1"},"headline":"NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4","datePublished":"2022-12-11T11:32:05+00:00","dateModified":"2023-01-31T06:51:08+00:00","mainEntityOfPage":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/"},"wordCount":803,"commentCount":0,"publisher":{"@id":"https:\/\/theexampillar.com\/ncert\/#\/schema\/person\/521fbdbd2eb8621382a3096b5e3ecaf1"},"image":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/#primaryimage"},"thumbnailUrl":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png","keywords":["NCERT Class 8 Maths Chapter 11 Mensuration in English","NCERT Solutions Class 8 Maths Chapter 11 in english","NCERT Solutions Class 8 Maths in English","NCERT Solutions in English"],"articleSection":["Class 8 Maths"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/","url":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/","name":"NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4 | TheExamPillar NCERT","isPartOf":{"@id":"https:\/\/theexampillar.com\/ncert\/#website"},"primaryImageOfPage":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/#primaryimage"},"image":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/#primaryimage"},"thumbnailUrl":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png","datePublished":"2022-12-11T11:32:05+00:00","dateModified":"2023-01-31T06:51:08+00:00","description":"NCERT Solutions Class 8 Mathematics\u00a0Chapter - 11 (Mensuration)\u00a0The NCERT Solutions in English Language for Class 8 Mathematics Chapter - 11 Mensuration Exercise 11.4 has been provided here to help the students in solving the questions from this exercise.\u00a0Exercise - 11.4\u00a0","breadcrumb":{"@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/#primaryimage","url":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png","contentUrl":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/12\/NCERT-Solutions-Class-8-Maths-Ex-11.4-Q-1.png","width":204,"height":225,"caption":"NCERT Maths Solutions Class 8"},{"@type":"BreadcrumbList","@id":"https:\/\/theexampillar.com\/ncert\/ncert-solutions-class-8-maths-chapter-11-mensuration-ex-11-4\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/theexampillar.com\/ncert\/"},{"@type":"ListItem","position":2,"name":"NCERT Solutions Class 8 Maths Chapter 11 Mensuration Ex 11.4"}]},{"@type":"WebSite","@id":"https:\/\/theexampillar.com\/ncert\/#website","url":"https:\/\/theexampillar.com\/ncert\/","name":"TheExamPillar NCERT","description":"","publisher":{"@id":"https:\/\/theexampillar.com\/ncert\/#\/schema\/person\/521fbdbd2eb8621382a3096b5e3ecaf1"},"alternateName":"NCERT Solution","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/theexampillar.com\/ncert\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":["Person","Organization"],"@id":"https:\/\/theexampillar.com\/ncert\/#\/schema\/person\/521fbdbd2eb8621382a3096b5e3ecaf1","name":"Admin","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/07\/cropped-ExamPillar-PNG.png","url":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/07\/cropped-ExamPillar-PNG.png","contentUrl":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/07\/cropped-ExamPillar-PNG.png","width":512,"height":512,"caption":"Admin"},"logo":{"@id":"https:\/\/theexampillar.com\/ncert\/wp-content\/uploads\/2022\/07\/cropped-ExamPillar-PNG.png"},"sameAs":["https:\/\/theexampillar.com\/ncert"],"url":"https:\/\/theexampillar.com\/ncert\/author\/ncert_eng_vikram\/"}]}},"_links":{"self":[{"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/posts\/3349","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/comments?post=3349"}],"version-history":[{"count":4,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/posts\/3349\/revisions"}],"predecessor-version":[{"id":4784,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/posts\/3349\/revisions\/4784"}],"wp:attachment":[{"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/media?parent=3349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/categories?post=3349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/theexampillar.com\/ncert\/wp-json\/wp\/v2\/tags?post=3349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}