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ABC and BDE are two equilateral triangle...

ABC and BDE are two equilateral triangles such that D is the mid-point of BC.Ratio of the areas of triangle ABC and BDE is
a)`2:1` b)`1:2` c)`4:1` d)`1:4`

A

`2:1`

B

`1:2`

C

`4:1`

D

`1:4`

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