Question

What is the length of FH in the right triangle below?
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Answer 1

7

Explanation:

apply the Pythagorean theorem

`10 {}^(2) = ( √(51) ) {}^(2) + x {}^(2) \\ 100 = 51 + x {}^(2) \\ 100 - 51 = x {}^(2) \\ 49 = x {}^(2) \\ x = 7`