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In Figure, two tangents A Ba n dA C are ...

In Figure, two tangents `A Ba n dA C` are drawn to a circle with centre `O` such that `/_B A C=120^0dot` Prove that `O A=2A B`

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Two tangent segments P A and P B are drawn to a circle with centre O such that /_A P B=120^circ . Prove that O P=2\ A P .

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