Question

or Two window washers, Carter and Garrett, lean a ladder against the side of a building so that Carter can wash a window while Garrett holds the ladder. The top of the ladder reaches the window, which is 15 feet off the ground. The base of the ladder is 8 feet away from the building. How long is the ladder?

Answer 1

17 ft

Explanation:

use pythagoras

c²=a²+b²

c²=8²+15²

(solve for c)

c=17ft