An observer who is 1.6 ,m tall is standing on level ground 35 ,m away from a building

MATHEMATICS · Subjective · AoPS · Mathematics · Functions · Functions

Problem

An observer who is 1.6\,m tall is standing on level ground 35\,m away from a building. The angle of elevation of the top of the building from his eyes is 60∘60^\circ. Calculate the height of the building.

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