Which set of line segments with the given lengths form a right triangle?

Select one:

A. 5, 12, 17

B. 7, 11, 15

C. 8, 15, 17

D. 14, 16, 20
I am confused with this because ive tried all of them and none add up to 90.. help please!

Question

Which set of line segments with the given lengths form a right triangle?

Select one:

A. 5, 12, 17

B. 7, 11, 15

C. 8, 15, 17

D. 14, 16, 20 
I am confused with this because ive tried all of them and none add up to 90.. help please!

jhonyy9 · Answer

so just you need check them what triplet is pythagorean triplet 
hope you know what mean this yes ?

jhonyy9 · Answer

same with 3,4,5 

5^2 =3^2 +4^2