BdMO National Junior 2008/9
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- Joined:Sat Dec 09, 2017 1:32 pm
In the convex quadrlateral $ABCD$,points $M,N$ lie on side $AB$ such that $AM=MN=NB$ and points $P,Q$ lie on $CD$ such that $CP=PQ=QD$.Prove that $AMPC=\dfrac 13 $Area of $ABCD$.