Question

Which set of side lengths will not form a right triangle?

5, 12, 13
7, 24, 25
9, 16, 20
8, 15, 17

Answer 1

For this sum of squares of two sides will be equal to square of the largest side..

So check for third one:

is 9^2 + 16^2 = 20^2 ???

Answer 2

16+9 is 25

Answer 3

I am saying to first square them:

9^2 + 16^2 = 20^2 ???

Answer 4

its 400

Answer 5

19 and 6 is337

Answer 6

So it is not equal so this is not the right triangle..

Answer 7

oooooo then its a