It is known that in the triangle ABC, the angles a, B and the opposite sides of angle c are respectively a, B and C, which are the following lengths. Judge whether the triangle is a right triangle

It is known that in the triangle ABC, the angles a, B and the opposite sides of angle c are respectively a, B and C, which are the following lengths. Judge whether the triangle is a right triangle

Let's see if x ^ 2 + y ^ 2 = Z ^ 2 holds. Take the shorter two as X and y, take the longest as Z, and then substitute them. If it holds, it is a right angle