Question

Is a triangle with leg lengths of 9 in. and 9 in. and hypotenuse of length √175 in. a right triangle?

Answer 1

No

Explanation:

a^2 + b^2 = c^2

9^2 + 9^2 = c^2

81 + 81 = c^2

162 = c^2

√162 = c

If it was a right triangle, its hypotenuse would be √162 inches long.