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[" (b) a Given a parallelogram ABCD with...

[" (b) a Given a parallelogram ABCD with area "12sq" .units.A straight line is drawn through the mid "],[" point "M" of the side "BC" and the vertex "A" which cuts the diagonal BD at a point ' "O" '.Use vectors "],[" to determine the area of the quadrilateral OMCD."]

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