Guide :High School

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

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
Tanα=h/dd=h/tanα, we are told that h=450ft and α=22°d=450/tan22 ftd≈1114 ft (to nearest foot) ...

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