diagonals or a parallelogram ABCD intersect at O. Through O, a straigh – InterviewSolution

1.	diagonals or a parallelogram ABCD intersect at O. Through O, a straight line illel to AB to meet AD in P and BC in Q. Prove thatand Q are mid-point of AD and BC respectivelyrea of Δ。AB =-area of parallelogram ABCD4
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