Mathematics

Mathematics

Problem

In the figure PA and PB are tangents to the circle with centre O. If ∠APB=60∘\angle APB = 60^\circ, then ∠OAB\angle OAB is ![Diagram showing a circle with center O. PA and PB are tangents from an external point P. A and B are points of tangency. OA and OB are radii. The angle APB is 60 degrees.](https://storage.googleapis.com/diraq-contents/homework-question-parsing/marker/20260106T182719Z/eed391f2978c4c56935964f9611dc480/5fb340ad68b0c71df0b56698b137e35b_img.jpg) (a) 30∘30^\circ (b) 60∘60^\circ (c) 90∘90^\circ (d) 15∘15^\circ a. 30∘30^\circ b. 60∘60^\circ c. 90∘90^\circ d. 15∘15^\circ

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