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Math Help - distance to the horizon

  1. #1
    Member Veronica1999's Avatar
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    distance to the horizon

    From the top of Mt. Washington, which is 6288 feet above sea level, how far is it to the horizon? Assume that the Earth has a 3960-mile radius(one mile is 5280 feet) and give your answer to the nearest mile.

    Hmm...I was trying to use trig..
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  2. #2
    MHF Contributor Siron's Avatar
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    Re: distance to the horizon

    Yes, but it can be useful to make a drawing. Did you do that?
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  3. #3
    Grand Panjandrum
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    Re: distance to the horizon

    ... but then there is refraction. The geometric horizon is not the circle where the sky and earth meet.

    CB
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  4. #4
    Member Veronica1999's Avatar
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    Re: distance to the horizon

    I got an answer. 97miles.
    Please see attached drawing.
    I think I got the wrong answer.
    Attached Thumbnails Attached Thumbnails distance to the horizon-trig.jpg  
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  5. #5
    Grand Panjandrum
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    Re: distance to the horizon

    Quote Originally Posted by Veronica1999 View Post
    I got an answer. 97miles.
    Please see attached drawing.
    I think I got the wrong answer.
    Near enough for the geometric horizon.

    CB
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