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The side of a Delta are in AP. And its a...

The side of a `Delta` are in AP. And its area is `3/5xx` (area of an equilateral triangle of the same perimeter). Find the ratio of its sides.

A

`1:2:3`

B

`3:5:7`

C

`1:3:5`

D

none of these

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The correct Answer is:
B
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