A light air craft takes off flying die north then turns and flies 11 000 metres due west.The plane then has a bearing of 340 degrees from its starting point.For what distance did it fly due north?

2 answers

  1. the plane has a heading of 340°, not a bearing.
    If they are heading toward a lighthouse on that heading, the lighthouse has a bearing of 340°

    If the plane flies x meters due north, then

    11000/x = tan 20°
    x = 30222

  2. 30222

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