NCERT Solutions Class 6 Maths
Chapter – 4 (Basic Geometrical Ideas)
The NCERT Solutions in English Language for Class 6 Mathematics Chapter – 4 Basic Geometrical Ideas Exercise 4.6 has been provided here to help the students in solving the questions from this exercise.
Chapter 4: Basic Geometrical Ideas
- NCERT Solution Class 6 Maths Exercise – 4.1
- NCERT Solution Class 6 Maths Exercise – 4.2
- NCERT Solution Class 6 Maths Exercise – 4.3
- NCERT Solution Class 6 Maths Exercise – 4.4
- NCERT Solution Class 6 Maths Exercise – 4.5
Exercise – 4.6
1. From the figure, identify:
(a) the centre of circle
(b) three radii
(c) a diameter
(d) a chord
(e) two points in the interior
(f) a point in the exterior
(g) a sector
(h) a segment
Solutions:
(a) The centre of circle is O.
(b) Three radii are .
(c) A diameter is .
(d) A chord is .
(e) Two points in the interior are O and P.
(f) A point in the exterior is Q.
(g) A sector is AOB i.e shaded region.
(h) A segment is ED i.e shaded region.
2.
(a) Is every diameter of a circle also a chord?
(b) Is every chord of a circle also a diameter?
Solutions:
(a) Yes every diameter of a circle is also a chord. Diameter is also called as longest chord.
(b) No, every chord is not a diameter.
3. Draw any circle and mark
(a) its centre
(b) a radius
(c) a diameter
(d) a sector
(e) a segment
(f) a point in its interior
(g) a point in its exterior
(h) an arc
Solutions:
(a) The centre of the circle is O.
(b) The radius is OC.
(c) A diameter is .
(d) A sector is AOC.
(e) A segment is DE.
(f) A point in its interior is O.
(g) A point in its exterior is F.
(h) An arc is .
4. Say true or false:
(a) Two diameters of a circle will necessarily intersect.
(b) The centre of a circle is always in its interior.
Solutions:
(a) True, two diameters will always intersect each other at the centre of the circle.
(b) True, the centre of the circle will always be in its interior.
