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(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

Answer :

(a) The centre of circle is O

(b) Three radii are OA, OB, OC

(c) A diameter is AC

(d) A chord is ED

(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

- Q.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
- Q.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.
- Q.2 (a) Is every diameter of a circle also a chord? (b) Is every chord of a circle also a diameter?

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