Question

A triangle has side lengths of 34 in., 20 in., and 47 in. Classify it as acute, obtuse, or right.

Answer 1

34^2 + 20^2 = 1156 + 400 = 1556

47^2 = 2209

 because the squares of the 2 smaller sides is less than the square of the longer side the triangle is Obtuse