Is a triangle with the side lengths 4 feet, 7. 5 feet, and 8. 5 feet a right triangle? Why or why not?

Jajan asked Oct 17, 2023

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15 votes

Jajan asked Oct 17, 2023

by Jajan

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18 votes

Answer:

Yes

Explanation:

You can test if a triangle is right-angled by using Pythagoras' Theorem.

So:

4^2 + 7.5^2 = 8.5^2

16 + 56.25 = 72.25

They do in fact add up so this triangle is right angled.

Alphonse answered Oct 23, 2023

3.2k points

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