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An observer 1.6 m tall is 20/3 m away from a tower. The angle of elevation to the top is 30°. Find the height of the tower:

Question: An observer 1.6 m tall is 20/3 m away from a tower. The angle of elevation to the top is 30°. Find the height of the tower:
  • A. 21.6 m ✓
  • B. 24.72 m
  • C. 23.2 m
  • D. None of these
Correct Answer: A. 21.6 m
Explanation: Using trigonometry: height = observer height + distance × tan(30°) = 21.6 m.

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