Question

Which set of side lengths foms a right triangle?

(1) 2, 3, 13
(2) 4, 6, 10
(3) 9, 12, 18
(4) 15, 36, 39

Answer 1

(4) 15, 36, 39

Explanation:

(1)

2² + 3² = 13²

4 + 9 = 13²

13 = 169

No

(2)

4² + 6² = 10²

16 + 36 = 10²

52 = 100

No

(3)

9² + 12² = 18²

81 + 144 = 18²

225 = 324

No

(4)

15² + 36² = 39²

225 + 1296 = 39²

1521 = 1521

Yes

Hope this Helps. :)

Answer 2

Answer: 15, 36, 39.

Hope this helps!