Question

6.
(a) In the figure (1) given below, O is the centre of the circle. If angle BAD -30°, find the
values of p. q and r.​

Answer 1

Answer:

By the theorem from class 9

we have,

The angle subtended by a chord at centre is double the angle subtended at any remaining part of the circle.

with this,

angle Q = 2(30) = 60°

and, angles in same segment are equal so,

angle R = 30°

and angle C = 1/2(reflex of angle Q)

angle C = 1/2(360 - 60)

angle C = 1/2( 300)

angle C = 150°

Thanks.

Like Follow and Rate.

Teacher.