ABCD is a trapezium in which AB is parallel to DC and 2AB = 3DC. The diagonals AC and BD intersect at O. What is the ratio of the area of Δ AOB to that of Δ DOC?

ABCD is a trapezium in which AB is parallel to DC and 2AB = 3DC. The d

1.	ABCD is a trapezium in which AB is parallel to DC and 2AB = 3DC. The diagonals AC and BD intersect at O. What is the ratio of the area of Δ AOB to that of Δ DOC?
A.	2 ∶ 1
B.	3 ∶ 2
C.	4 ∶ 1
D.	9 ∶ 4
Answer» E.

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ABCD is a trapezium in which AB is parallel to DC and 2AB = 3DC. The diagonals AC and BD intersect at O. What is the ratio of the area of Δ AOB to that of Δ DOC?

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