An observer 1.5 m tall is 20.5 m away from a tower 22 m... – Trigonometry

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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