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Q:

The height of a light house is 20 meters above sea level. The angle of depression (from the top of the lighthouse) of a ship in the sea is 30°. What is the distance of the ship from the foot of the light house?

  • 1
    16 m
  • 2
    20√ 3 m
  • 3
    20 m
  • 4
    30 m
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Answer : 2. "20√ 3 m"

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