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March 25, 2017

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A ship is due south of a lighthouse. It sails on a bearing of 72* for 34 km when it is then due east of the lighthouse. Choose the one option which is closest to the distance (in km) of the ship from the lighthouse when it lies due east of the lighthouse.
Options
A 17.0 B 24.9 C 25.0 D 31.9 E 32.3 F 34.1

  • Mathamatics - ,

    Interesting correlation, you and S Rey spell Mathematics the same way.
    Author is mathematician, not a navigator. The ship sailed on a HEADING of 72 degrees.
    Anyway:
    sin 72 = x/34
    x = 34 (.95) = 32.3

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