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A triangle has sides with lengths of 11 inches, 18 inches, and 20 inches. Is it a right triangle?
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22 votes
A triangle has sides with lengths of 11 inches, 18 inches, and 20 inches. Is it a right triangle?

User Jokeefe
by
4.3k points

1 Answer

10 votes

yes IF

20² = 11² + 18²

20² = 400

and

11² + 18² = 121 + 324 = 445

so NOT a right triangle

User Towhidul Islam Tuhin
by
4.6k points
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