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Math Help - diangonal help please!!!!

  1. #1
    Newbie
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    May 2009
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    Question diangonal help please!!!!

    Given the values of lenght width and height find the lenght of diagonal AB

    L=9 w=2 h=6_____

    and

    L= 12 w=8 H=9______

    I will settle with the formula.
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  2. #2
    Super Member

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    May 2006
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    Lexington, MA (USA)
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    Hello, dianageo!

    Given the values of lenght, width and height, find the length of diagonal AB.

    (1) L = 9, W = 2, H=6

    (2) L = 12, W = 8, H = 9

    I will settle with the formula.

    I assume these are rectangular boxes and we want the "space diagonal."

    The formula is: . d \;=\;\sqrt{L^2 + W^2 + H^2}

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