Question

Determine whether the following numbers can represent the side lengths of a right triangle: 9, 40, 42

Answer 1

Explanation:

Right triangle property : a^2+b^2= c^2

(c is the longest side)

9^2 +40^2 = 1681 = 41^2 ≠ 42^2

-> 9,40,42 is not a right triangle