You need a^2 + b^2 = c^2
so test the choices.
Which set of numbers could represent the lengths of the sides of a right triangle?
12, 18, 22
8, 15, 17
7, 9, 11
10, 15, 20
1 answer
12, 18, 22
8, 15, 17
7, 9, 11
10, 15, 20
1 answer
1 answer
17 answers
1 answer
1 answer