Trigonometrymedium · Past Paper
An observer 1.5 m tall is 20.5 m away from a tower 22 m high. What is the angle of elevation?
A30°
B45°
C60°
D0°
✓ Correct Answer: B — 45°
Height difference = 22 - 1.5 = 20.5. Distance = 20.5. tan θ = 20.5/20.5 = 1. θ = 45°.
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