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P. 4
Example:
P is the mid-point of the side DC of parallelogram ABCD whose diagonals AC and
BD meet at O. Q is a point on AC such that CQ = AC. PQ produced meets CB at
R. Show that
(i) PQ = DO and QR = OB
(ii) PQ = QR
(iii) R is the mid-point of BC.
Given:
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