Find the length of the third side, If necessary round to the nearest tenth

asked Mar 15, 2022 169k views

4 votes

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Explanation:

${12}^(2) + {9}^(2) = {a}^(2) \\ 144 + 81 = {a}^(2) \\ {a}^(2) = 225 \\ a = 15$

Cyberflohr answered Mar 19, 2022

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