Which set of side lengths can be used to form a right

triangle?

2, 3, 4

30, 40, 50

10, 20, 30

4, 5, 6

It is 30, 40, 50, but you have to use the equation for right triangles, which is a^2 + b^2 = c^2. You fill in the equation 30^2 + 40^2 = 50^2. Then you get 900+1600=2500. Then you add it together and you get 2500=2500.

I would say 30,40,50 because it equals the degrees of a right triangle which is 120