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Question

Show that the two tangents drawn from an external point to a circle are equal.

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Solution


In ΔPBC and ΔPAC
PC=PC (common)
A=B (Right angles)
BC=AC (Radii)
So, ΔPBCΔPAC (SAS criteria)
and thus, PB=PA (CPCT)

1200942_1206853_ans_0f13a77158b7436ab181e92aac3b9565.jpg

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