Triangle

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Discussion in 'Math' started by Blackbull, Oct 18, 2011.

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  1. Oct 18, 2011 #1
    Blackbull

    Thread Starter Well-Known Member

    Jul 26, 2008
    70
    6
    A right - angled triangle has sides: 2x + 1, 8x and 8x + 1.
    x = 3, but what is the most elegant working for the solution of x.
    Thanks
     
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  2. Oct 18, 2011 #2
    Zazoo

    Member

    Jul 27, 2011
    114
    43
    I would just apply a^2 + b^2 = c^2, noting that 8x+1 is the hypotenuse, c.
     
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