Question

A 12 ft ladder is placed 5 feet from a building. Approximately how high does the ladder reach? Round to the nearest tenth, if necessary.

Answer 1

10.9 feet

Explanation:

12^2 = 5^2+h^2

144 = 25 + h^2

-25 -25

h^2 = 119

h = square root 119

h = 10.9 ft