Question

A right triangle has a hypotenuse of length 21 and a leg of length 14. What is the length of the other leg of the triangle?

Answer 1

why not use pythagorean theorem?

Answer 2

c^2=a^2+b^2

Answer 3

but rearrange to solve for a

Answer 4

that's all!

Answer 5

Do I have to find the length of the other side first?

Answer 6

@NotTim

Answer 7

21^2-14^2 = 245
Square root of 245 = 7(sqrt)5?

Answer 8

yes

Answer 9

You're correct.

Answer 10

Thank you!