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anonymous

  • one year ago

The pilot of a rescue helicopter is flying over the ocean at an altitude of 1500 ft. As the pilot is searching, he sees that a lift raft is straight ahead at an angle of depression of 42°. What is the horizontal distance, rounded to the nearest foot, from the helicopter to the lift raft?

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  1. triciaal
    • one year ago
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    |dw:1441912553745:dw|

  2. triciaal
    • one year ago
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    are you sure that is the angle of depression?

  3. triciaal
    • one year ago
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    |dw:1441912759191:dw|

  4. disqin
    • one year ago
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    @triciaal is it?

  5. disqin
    • one year ago
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    |dw:1441912860188:dw| So \(1400×\tan(90-42)=1665.92\) ft

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