Question

A 32-foot ladder leans against the building. Find the ground distance from the foot of the ladder to the building, if the angle of elevation is 45 °.

Answer 1

Below

Explanation:

This is a right triangle

the two legs are equal and the hypotenuse is 32 ft

Here is a way to calculate the answer with Pythagorean theorem

32 ^2 = L^2 + L^2

512 = L^2

L = sqrt (512) = 22.6 ft