PA and PB are two tangents from a point P outside the circle with centre O. If A and B are points on the circle such that ∠APB = 100°, then ∠OAB is equal to:

PA and PB are two tangents from a point P outside the circle with cent

1.	PA and PB are two tangents from a point P outside the circle with centre O. If A and B are points on the circle such that ∠APB = 100°, then ∠OAB is equal to:
A.	45°
B.	70°
C.	50°
D.	35°
Answer» D. 35°

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PA and PB are two tangents from a point P outside the circle with centre O. If A and B are points on the circle such that ∠APB = 100°, then ∠OAB is equal to:

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