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In the given figure, \( \triangle ABC \) is circumscribing a circle. Find the length of \( BC \) a) \( 11 cm \) b) \( 12 cm \) c) \( 8 cm \) d) \( 10 cm \) |
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Answer» The correct option is (d) 10 cm Given, AR = 4 cm and, AR = AQ = 4 (Tangents from the same point are equal) CQ = AC − AQ = 11 − 4 = 7 cm CQ = CP = 7 cm (Tangents from the same point are equal) BR = BP = 3 cm (Tangents from the same point are equal) Now, BC = CP + BP BC = 7 + 3 = 10 cm |
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