Answers

2015-03-13T15:28:56+05:30


In  ΔPXS and ΔRYQ

PS = QR  (opp sides of paralleogram)
angle PXS = angle RYQ = 90 degrees 
angle PSX = angle YQR (alternate interior angles)

By AAS two triangles are congruent.

By CPCT PX = RY
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