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A triangle has sides of lengths 9,7, and 12. Is it a right triangle? Explain. no: 92 + 7 + 122 O yes: 92 + 72 122 O no: 92 + 7 = 122 yes: 92 + 7 = 122

A triangle has sides of lengths 9,7, and 12. Is it a right triangle? Explain. no: 92 + 7 + 122 O yes: 92 + 72 122 O no: 92 + 7 = 122 yes: 92 + 7 = 122
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A triangle has sides of lengths 9,7, and 12. Is it a right triangle? Explain.

no: 92 + 7 + 122
O yes: 92 + 72 122
O no: 92 + 7 = 122
yes: 92 + 7 = 122

asked
User Belindanju
by
8.0k points

1 Answer

5 votes
Answer: No, it is not a right triangle.

Explanation:
9^2 + 7^2 (?) 12^2

81 + 49 (?) 144

130 = 144

Since 12^2 = 144, and the square root of 130 is 11.4^2, it is not a right triangle.
answered
User Jaswinder Singh
by
8.1k points
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