Problema Solution

A 25 foot laddr leans against a building. The ladders base is 13.5 feet from the building. Find the angle in which the ladder makes with the ground.

Answer provided by our tutors

Let 'a' represents the angle that we need to find.

cos(a) = 13.5/25

a = 57.32 degrees

The angle which the ladder makes with the ground is 57.32 degrees.