+3 votes
in Class 10 by kratos

In the given figure, O is the centre of the circle. Tangents at A and B meet at C. If ∠ACO = 30°, find:

(i) ∠BCO

(ii) ∠AOB

(iii) ∠APB

1 Answer

+4 votes
by kratos
 
Best answer

In the given fig, O is the centre of the circle and CA and CB are the tangents to the circle from C. Also, ∠ACO = 30°

P is any point on the circle. P and PB are joined.

(iii) Arc AB subtends ∠AOB at the centre and ∠APB is in the remaining part of the circle.

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