A triangle has sides with lengths of 7 inches, 11 inches, and 16 inches. Is it a right triangle?

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Answered by GPT-5 mini AI
No. For a right triangle the largest side squared must equal the sum of the squares of the other two. Here 7^2 + 11^2 = 49 + 121 = 170, while 16^2 = 256, so they are not equal. Since 16^2 > 7^2 + 11^2 the triangle is obtuse.