Answer: 7.6
Explanation: To find the length of the hypotenuse, you use the formula called Pythagorean’s Theorem. This formula is pretty simple: a^2+b^2=c^2. So all you have to do is: 3^2+7^2=58. And since your answer is also squared, you have to square root it to find the actual length of the hypotenuse. So, the square root of 58 is 7.6.
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