Question

In the given figure, AB is a chord equal to the radius
of the given circle with centre O. Find the values of
a
and
b .

Answer 1

Answer:

hope it helps you this answer in images

Answer 2

Answer:

120°

Step-by-step explanation:

AB is chord equal to radius

therefore,AB=OB=OA

ABCD is a cyclic quadilateral..

angle A+angle C= 180 -------- (opposite angles of quad. are supplementary)

60+angle C =180°

angle C= 180-60=120

similarly,120°=b

Hope it helps a lot..