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Question

P and Q are point of trisection of the diagnoal BD of a parallelogram ABCD. Prove that CQ||AP.
1038404_07036f8b959d4759ab33f672707935c3.png

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Solution

Diagonals of parallelogram bisect each other.

BD and AC bisect at 0

AO=OC & DO=OB(1)

P & Q trisects diagnoal BD.

DQ=QP=PB

DO=BO

PB=DQ

BOPB=DODQ

OP=OQ(2)

In Quadrilateral APC & AC and PQ bisect each other fraom (1) & (2). at O. so it in a parallelogram.

Hence , CQ//AP

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