ABCD is a trapezium in which \[\mathbf{AB}\parallel \mathbf{CD}\] and \[AB=3CD\]Its diagonals intersect other at O then the ratio of the areas of the triangles AOB and COD is:

ABCD is a trapezium in which \[\mathbf{AB}\parallel \mathbf{CD}\] and

1.	ABCD is a trapezium in which \[\mathbf{AB}\parallel \mathbf{CD}\] and \[AB=3CD\]Its diagonals intersect other at O then the ratio of the areas of the triangles AOB and COD is:
A.	1 : 2
B.	2 : 1
C.	9 : 1
D.	1 : 4
Answer» D. 1 : 4

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ABCD is a trapezium in which \[\mathbf{AB}\parallel \mathbf{CD}\] and \[AB=3CD\]Its diagonals intersect other at O then the ratio of the areas of the triangles AOB and COD is:

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