Question

Tell whether the triangle with the given side lengths is a right triangle. Y/N question

Answer 1

Answer:

Yes it is a right triangle.

Step-by-step explanation:

Because the Pythagorean Theorem states that $a^{2} +b^{2} =c^{2}$

$85^{2}=7225\\84^{2}=7056\\13^{2}=169\\7056+169=7225$