# Prove that OP=2AP

Submitted by alpha on Sun, 08/10/2008 - 06:05.

From a point , two tangents PA and PB are drawn to a circle with center O ,such that angle APB=120 degree .Prove that OP=2AP

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## Prove that OP=2AP
Submitted by alpha on Sun, 08/10/2008 - 06:05.
From a point , two tangents PA and PB are drawn to a circle with center O ,such that angle APB=120 degree .Prove that OP=2AP |