Question

In the following figure, PA and PB are tangents drawn from a point P to the circle with centre O. If

∠APB = 60°, then what is ∠AOB?​

Answer 1

Answer:

sum of face to face angle of any quadrilateral is eaual to 180°

so 60°+angle AOB =180°

thus AOB= 120°

answer is 120°