Question

How do you use the Pythagorean Theorem to determine if the following three numbers could represent the measures of the sides of a right triangle:`sqrt7, 8, 9`?

Answer 1

Since `(sqrt(7))^2 +8^2`

`= 7 + 64 = 71`

`!=9^2`

`sqrt(7), 8, " and " 9` could not be the sides of a right-angled triangle.