A triangle has side lengths of 39, 80, and 87. Is this triangle a right triangle?

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Nathan Kleyn asked Jan 17, 2022

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21 votes

A triangle has side lengths of 39, 80, and
87. Is this triangle a right triangle?

Mathematics
high-school

Nathan Kleyn asked Jan 17, 2022

by Nathan Kleyn

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27 votes

Answer:

Step-by-ste

Steve Stedman answered Jan 19, 2022

by Steve Stedman

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25 votes

Answer:

Explanation:

39²=1521

80²=6400

39²+80²=1521+6400=7921

87²=7569

7921≠7569

so it is not aright angled triangle.

Mattacular answered Jan 23, 2022

by Mattacular

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