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Math Help - Triangle

  1. #1
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    Triangle

    An airplane leaves an airport and flies due west 150 miles and then 170 miles in the direction S 49.17W. How far is the plane from the airport (round to the nearest mile)?

    Can someone please help me? Thank you for any help you can give me.
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  2. #2
    MHF Contributor
    skeeter's Avatar
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    Re: Triangle

    make a sketch and use the law of cosines
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