Question

HELP!
Which set of integers is a Pythagorean triple?

A.
2, 3, 6

B.
3, 4, 5

C.
4, 5, 9

D.
5, 7, 12

Answer 1

well you can test them using the theorem

is the longest side squared equal to the sum of the shorter sides squared

(a) is

\[6^2 = 3^2 + 2^2\]

36 = 9 + 4....? if its true that's the answer...

now try it with the other 3 choices.