1.

Three equal circleseach of radius 1 cm are circumscribed by a larger circle. Find the perimeter of the circumscribing circle :

Answer»

`(sqrt(3))/(2)(2- sqrt(3)) pi cm `
`((2 + sqrt(3))/( sqrt(3)))` cm
`(2)/(sqrt(3)) ( 2+ sqrt(3)) pi cm `
none of the above

ANSWER :C


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