Question

What is the length of in the right triangle below?

A.
120

B.


C.


D.
218

Answer 1

b. sqrt(120)

Explanation:

a^2+b^2=c^2

a^2+7^2=13^2

13^2-7^2=a^2

120=a^2

sqrt(120)=a

This is using Pythagorean theorem