Question
A man 2 m tall is 25 m away from a tower 27 m high.
Determine the angle of elevation of the top of the tower from the eye of the observer.Solution
In â–³ CDE, tan θ = CD/CE = (BD - BC)/CE = (27 - 2)/ 25 = 25/25 tan θ = 1 = tan 45 ° θ = 45 °
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