1. which of the following side lengths will not make a right triangle

A. 12, 16, 20
B. 5, 12, 13
C. 6, 17, 20
D. 3.5, 12, 12.5

Which one does not fit this formula?

a^2 + b^2 = c^2

A is 3,4,5 so right

B is right

C 36 + 289 = 400 ?? I think not

D 12.25 + 144 = 156.25? Yes, so right

please correct me if wrong cause ii am REALLY BAD at math! :3 so dont be mean too me please if im wrong domt be mad or say this is ridicoulously wrong i know i might be and my other answer is D but yea

If you're "BAD at math" you should NOT be posting so-called answers to other students' questions.

Stop it now!

The answer is C??

Yes, C.

ok ok u im sooooooo sorry -_-