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If A B C and D E F are two triangle...

If ` A B C` and ` D E F` are two triangles such that `(A B)/(D E)=(B C)/(E F)=(C A)/(F D)=2/5` , then `A r e a( A B C): A r e a( D E F)=` `2:5` (b) `4: 25` (c) `4: 15` (d) `8: 125`

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