21. P, Q, R, S are respectively the midpoints of thesides AB, BC, CD a – InterviewSolution

1.	21. P, Q, R, S are respectively the midpoints of thesides AB, BC, CD and DA of llgm ABCD. Showthat PQRSis a parallelogram and also show that'SP.ar( 11gm PQRS) =× ar( 11gm ABCD).?2
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