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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- Mar 20th 2010, 10:52 PMqazxsw12Quadrangle
In convex quadrangle ABCD the condition AB= BC + DA. Angle bisectors ABC and DAB intersects in point P. Prove that CP= DP

- Mar 21st 2010, 01:09 AMearboth
Have a look here: http://www.mathhelpforum.com/math-he...-identity.html