Question

A ladder leans against the side of the house. The length of the ladder is 17 feet. The base of the ladder is 8 feet from the house. How far off the ground is the top of the ladder?​

Answer 1

17² - 8² = 225

√225=15

Explanation:

a = x

b = 8

c = 17

a² + b² = c²

b² = c² - a²