1.

Six circleseach of unit radius are being circumscribed by another larger circle.All the smaller circlestouch each other . What is the circumference of the larger circle ?

Answer»

`((SQRT(3) + 4)/(sqrt(2)))PI` CM
`4 sqrt(3)pi cm `
`2((4+ sqrt(3))/(sqrt(3)))pi` cm
can't be determined

ANSWER :C


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