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5 votes
I need help please...........

I need help please...........-example-1

1 Answer

10 votes

Explanation:


{14}^(2) = {11}^(2) + {x}^(2) \\ {x}^(2) = 196 - 121 \\ {x}^(2) = 75 \\ x = √(75) = 8.66 = 8.7

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