Question

A triangle has sides of lengths 18, 80, and 82. Is it a right triangle? Explain.

Answer 1

Answer:

Evaluate;

18^2 + 80^2 = 82^2

324 + 6,400 = 6,724

6,724 = 6,724

Yes; because the lengths of the shorter sides squared to this triangle is equal to the hypotenuse squared.

Your answer is C.

Lookout for the equal symbol!