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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Originally Posted by qazxsw12 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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