Question

find the length of tangent


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Answer 1

Answer: length of tangent =15

$17 {}^{2} = 8 {}^{2} + x { }^{2} \\ 289 = 64 + x {}^{2} \\ 289- 64 = x {}^{2} \\ 225 = x {}^{2} \\ \sqrt{225} = x \\ 15 = x$