6. PQRS is a parallelogram D is a point on PQ such that PD = 1/3PQ and E is a point on RS and RE= 1/3RS. Then prove that quadrilateral PDRE is a parallelogram.

Given: PQRS is a llgm . D is a  point on PQ such that PD=1/3PQ and E is a point on RS such that RE=1/3 RS.

To Prove: PDRE is a parallelogram.

Proof: 

PQRS is a parallelogram.  [Given]

 

Thus,  PDRE is a parallelogram.

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