hall465 hall465

15-11-2021
Mathematics

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Carson drew a triangle with side lengths of 9 in., 11 in., and 7 in. Is Carson's triangle a right triangle? Explain or show work to support your answer.

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LammettHash LammettHash

15-11-2021

No. The square of the longest side must be equal to the sum of the squares of the smaller sides. But we have

9² + 7² = 81 + 49 = 140 ≠ 121 = 11²

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