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Q:

An observer on the top of a mountain, 500 m above the sea level, observes the angles of depression of the two boats in his same place vision to be 45 ° and 30 ° respectively. Then the distance between the boats, if the boats are on the same side of the mountain, is 

  • 1
    366 m
  • 2
    699 m
  • 3
    456 m
  • 4
    584 m
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Answer : 1. "366 m "

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