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Questions and Solutions for NCERT Class 6th Mathematics Chapter 4 – Basic Geometrical Ideas – Exercise 4.6
1. From the figure, identify :
(a) the centre of circle
Ans: O is the centre of the circle
(b) three radii
Ans: OC, OA , OB are radii of the circle
(c) a diameter
Ans: AC is the diameter of the circle
(d) a chord
Ans: ED is a chord of the circle
(e) two points in the interior
Ans: Points O and P are in the interior of the circle
(f) a point in the exterior
Ans Point Q is in thee exterior of the circle
(g) a sector
Ans: AOB is the sector of the circle
(h) a segment
Ans: ED is the segment of the circle
2. (a) Is every diameter of a circle also a chord?
Ans: Yes, every diameter is also a chord.
Because chord connects two points of a circle and diameter is a chord which passes through centre of a circle..
(b) Is every chord of a circle also a diameter?
Ans: No, every chord of a circle is not the diameter.
Because for a chord to be the diameter it should passes through the centre of the circle.
3. Draw any circle and mark
Ans:
(a) its centre
Ans: O is the centre of the circle
(b) a radius
Ans: OP, OR, OQ are the radii of the circle
(c) a diameter
Ans: PQ is the diameter of the circle
(d) a sector
Ans: POR is a sector of the circle
(e) a segment
Ans: ST is a segment of the circle
(f) a point in its interior
Ans: O is in the interior of the circle
(g) a point in its exterior
Ans: M is in the exterior of the circle
(h) an arc
Ans: PR is an arc of the circle
4. Say true or false :
(a) Two diameters of a circle will necessarily intersect.
Ans: True, because both will pass through the centre
(b) The centre of a circle is always in its interior
Ans: True
You can find the solutions for Class 6 Mathematics previous exercises from here
- Basic Geometrical Ideas – Exercise 4.5 Solutions
- Basic Geometrical Ideas – Exercise 4.4 Solutions
- Basic Geometrical Ideas – Exercise 4.3 Solutions
- Basic Geometrical Ideas – Exercise 4.2 Solutions
- Basic Geometrical Ideas – Exercise 4.1 Solutions
- Playing with Numbers – Exercise 3.7 Solutions
- Playing with Numbers – Exercise 3.6 Solutions
- Playing with Numbers – Exercise 3.5 Solutions
- Playing with Numbers – Exercise 3.4 Solutions
- Playing with Numbers – Exercise 3.3 Solutions
- Playing with Numbers – Exercise 3.2 Solutions
- Playing with Numbers – Exercise 3.1 Solutions
- Whole Numbers – Exercise 2.3 Solutions
- Whole Numbers – Exercise 2.2 Solutions
- Whole Numbers – Exercise 2.1 Solutions
- Knowing Our Numbers Solutions Exercise 1.3 Solutions
- Knowing Our Numbers Solutions Exercise 1.2 Solutions
- Knowing Our Numbers Solutions Exercise 1.1 Solutions
