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Two tangents AP and AQ are drawn to a ci...

Two tangents AP and AQ are drawn to a circle with centre O from an external point A, where P and Q are points on the circle. If the `angle PAQ = 70^@`, then the `angle AOP` is equal to:
दो स्पर्शरेखा AP और AQ एक बाहरी बिंदु A से केंद्र O के साथ एक वृत्त में खींची जाती हैं, जहां P और Q वृत्त पर बिंदु होते हैं। यदि `angle PAQ = 70^@`, तो `angle AOP` का मान है:

A

`50^@`

B

`45^@`

C

`55^@`

D

`60^@`

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