The legs of a right-angled triangle are 12 and 9 m. Calculate the hypotenuse.

univerkov | February 26, 2021 | education

Let’s denote the legs by A and B, and the hypotenuse by C. Then, by the Pythagorean theorem, C ^ 2 = A ^ 2 + B ^ 2.

C ^ 2 = 12 ^ 2 + 9 ^ 2 = 144 + 81 = 225

C = 15 cm.

Answer: The length of the hypotenuse is 15 m.

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