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In Figure, there are two concentric circ...

In Figure, there are two concentric circles with centre `O` of radii `5 cm and 3 cm` . From an external point `P ,` tangents `PA and PB` are drawn to these circles. If `A P=12 cm ,` find the length of `BPdot`

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RD SHARMA ENGLISH-CIRCLES-All Questions
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