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Math Help - Quadrangle

  1. #1
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    Quadrangle

    In convex quadrangle ABCD the condition AB= BC + DA. Angle bisectors ABC and DAB intersects in point P. Prove that CP= DP
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  2. #2
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    Quote Originally Posted by qazxsw12 View Post
    In convex quadrangle ABCD the condition AB= BC + DA. Angle bisectors ABC and DAB intersects in point P. Prove that CP= DP
    Have a look here: http://www.mathhelpforum.com/math-he...-identity.html
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