The Length of Two Tangents Drawn from an Exterior Point to a Circle Are Equal
Given figure ...
Question
Given figure shows, a right △ circumscribing a circle. If AP = 8 cm and BQ = 4 cm, then the length of AC =
A
16 cm
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B
20 cm
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C
24 cm
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Solution
The correct option is B 20 cm Let us assume CR = xcm By Theorem- Tangents from an external point to a circle are equal in lengths. ∴AR=AP=8cm, BP=BQ=4cm, and CQ=CR=xcm