Question

In the figure below O is the centre of the circle and AB is a diameter C is a point on the circle complete angle CAB .

please give me the correct explanation answer .

i will mark in brainliest​

Answer 1

Answer:

(i) The angle subtended by the diameter at the circumference=90

o

.

(ii) The the sum of the opposite angles of a cyclic quadrilateral =180

o

.

Hence, ∠CAD=70

0

and ∠CBD=110

0

Answer 2

All are correct.

But instead of a point on the circle, you can say that O is a centre point on the interior of the circle