P and Q are the mid-points of the opposite sides AB and CD of a parallelogram
ABCD. AQ intersects DP at S and BQ intersects CP at R. Show that PRQS is a
parallelogram.
Please don't prank
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P and Q are the mid-points of the opposite sides AB and CD of a parallelogram
ABCD. AQ intersects DP at S and BQ intersects CP at R. Show that PRQS is a
parallelogram.
According to the question, P is the midpoint of AB
Q is the midpoint of CD
Now,
AB||CD,
Also,
AP||QC
And, AB = DC
½ AB = ½ DC
AP = QC
Now, AP||QC and AP = QC
APCQ is a parallelogram.
AQ||PC or SQ||PR
Again, AB||DC means ½ AB = ½ DC
BP = QD
Now, BP||QD and BP = QD
BPDQ is a parallelogram.
So, PD||BQ or PS||QR
Thus, SQ||RP and PS||QR
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