Question

An engineer on the ground is looking at the top of a building. The angle of elevation to the top of the building is 22°. The engineer knows the building is 450 ft tall. What is the distance from the engineer to the base of the building to the nearest whole foot?

Answer 1

Tan 22°=450/d
==>d=450/tan 22°=1113.7890... ≈1114 (ft)