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ICSE Class 10 Answered

Ap=16 given 
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Asked by Neha | 10 Dec, 2018, 10:46: PM
answered-by-expert Expert Answer
BP = AP - AB = 16 - 12 = 4 cm
By Tangent-Secant theorem = AP×BP = PT2 ;  Hence PT = begin mathsize 12px style square root of 16 cross times 4 end root space equals space 8 space c m end style
By Tangent-Secant theorem = PC×DP = 64 ; hence PC = 64/2 = 32 cm ; CD = PC-DP = 32-2 = 30 cm
 
Hence radius of circle = 15 cm;
Answered by Thiyagarajan K | 13 Dec, 2018, 05:44: AM

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