Question

For the following right triangle, find the side length x.

Answer 1

Explanation:

Use a^2 + b^2 = x^2

a = 15

b = 20

15^2 + 20^2 = x^2

225 + 400 = x^2

x^2 = 625 Take the square root of both sides.

√x^2 = √625

x = 25