In the figure given below, SPT is a tangent to the circle at P and O is the centre of the circle. If ∠QPT = α, then what is ∠ POQ equal to?

In the figure given below, SPT is a tangent to the circle at P and O i

1.	In the figure given below, SPT is a tangent to the circle at P and O is the centre of the circle. If ∠QPT = α, then what is ∠ POQ equal to?
A.	α
B.	2α
C.	90° - α
D.	180° - 2α
Answer» C. 90° - α

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In the figure given below, SPT is a tangent to the circle at P and O is the centre of the circle. If ∠QPT = α, then what is ∠ POQ equal to?

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