Question

Is a triangle with sides of length 6ft., 21ft,. 23ft,. a right traingle? show how you know.

Answer 1

No it is not a right triangle. Because using Pythagorean's Theorem 6 squared, 36, plus 21 squared, 441, is 477. And when you do 32 squared is equals to 529. And therefore 477 is not equal to 529.