D and E are points on the sides AB and AC respectively of Î”ABC such that DE is parallel to BC and AD:DB = 4:5, CD and BE intersect each other at F.Â Then the ratio of the areas of Î”DEF and Î”CBF

D and E are points on the sides AB and AC respectively of Î”ABC suc

1.	D and E are points on the sides AB and AC respectively of Î”ABC such that DE is parallel to BC and AD:DB = 4:5, CD and BE intersect each other at F.Â Then the ratio of the areas of Î”DEF and Î”CBF
A.	0.68402777777778
B.	0.72291666666667
C.	3.3861111111111
D.	0.17291666666667
Answer» C. 3.3861111111111

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D and E are points on the sides AB and AC respectively of Î”ABC such that DE is parallel to BC and AD:DB = 4:5, CD and BE intersect each other at F.Â Then the ratio of the areas of Î”DEF and Î”CBF

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