Find the ratio of the areas

Geometry Level pending

In Δ A B C , E \Delta ABC, E divides A B AB in the ratio 3 : 1 3:1 and F F divides B C BC in the ratio 3 : 1 3:1 , then the ratio of areas of Δ A B C \Delta ABC and Δ B E F \Delta BEF is

5 : 1 5:1 5 : 3 5:3 20 : 3 20:3 10 : 3 10:3

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