Which side lengths represent the sides of a right triangle? a) 1, 1, 2 b) 2, 3, 5 c) 8, 6, 10 d) 12, 16, 21 must explain

The equation for a right triangle is a^2 + b^2 = c^2.

The only set of lengths to meet this is C

8^2 = 64

6^2 = 36

10^2 = 100

64+36 = 100

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

answer: it is d

step-by-step explanation: