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In the given figure, PA and PB are two tangents to the circle with centre O. If ∠APB = 60^o , then find the measure of ∠OAB.

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In the given figure, PA and PB are two tangents to the circle with centre O. If ∠APB = 60o , then find the measure of ∠OAB.

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Construction: Join OB

We know that the radius and tangent are perpendicular at their point of contact

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