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U s i n g P y t h a g o r a s 9 2 + 1 2 2 = c 2 c 2 = 2 2 5 c = 1 5 f e e t U s i n g t h e c o n v e r s i o n 1 f t = 1 2 i n , 1 5 × 1 2 = 1 8 0 i n c h e s