EXERCISE4.6.
1) From the figure identify the following.
a) The centre of circle b) Three radii
Ans. O Ans: OA, OB, and OC
c) A diameter d) A chord
Ans. AC Ans: E
e) Two points in the interior f) A point in the exterior
Ans: O, P Ans: Q
g) A sector h) A segment
Ans: OAB Ans: ED
2) Answer the following:
a) Is every diameter of a circle also a chord?
Ans: Yes, the diameter is the longest chord of a circle
b) Is every chord of a circle also a diameter?
Ans: No, every chord of the circle 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) q point in its exterior h) a arc
a) The centre is O. b) OS
c) PQ d) OQ
4) Say true or false:
a) Two diameter of a circle will necessarily intersect.
Ans: True
b) The centre of a circle is always in its interior
Ans: True