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An equilateral triangle circumscribes al...

An equilateral triangle circumscribes all the three circles each of radius 1 cm . What is the perimeter of the equilateral triangle ?

A

`6 ( sqrt(3) + 1) cm `

B

`sqrt(3)(8 + sqrt(2)) cm `

C

`15 ( sqrt(3) -1) cm `

D

none of the above

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The correct Answer is:
A
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