In the trapezium ABCD,AC and BD intersec...

In the trapezium ABCD,AC and BD intersect at O and also AB=2CD If the area of ` A O B=84 c m^2,` find the area of ` C O Ddot`

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The diagonals of a trapezium ABCD with AB||DC intersect each other at point O. If AB = 2CD, find the ratio of the areas of triangle AOB and COD.

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