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Geometry problem

  1. Oct 29, 2008 #1

    ibc

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    1. The problem statement, all variables and given/known data

    http://img58.imageshack.us/img58/1977/49718826ce7.png

    you need to prove that AB=BE=EA
    2. Relevant equations
    only that angleEDC = angleECD=15°
    and ABCD is a square
    and it should be solved used only geometry, with no trigo.


    3. The attempt at a solution
    nvm, got it
     
    Last edited: Oct 29, 2008
  2. jcsd
  3. Nov 29, 2009 #2
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