Question

What is the length of the unknown leg of the right​ triangle?

Answer 1

1. Use the Pythagorean Theorem since this is a right triangle:

a^2 + b^2 = c^2

4^2 + b^2 = 9^2

b^2 = 9^2 - 4^2

b = √ 65

b = 8

answer : 8