Question

A ladder is 25 ft long. The ladder needs to reach to a window that is 24 ft above the ground. How far away from the building should the bottom of the ladder be placed?

Please show work.

Answer 1

24^2 + b^2 = 25^2

576 + b^2 = 625

b^2 = 625 - 576

b^2 = 49

b = 7 feet