The circumference of any circle is: 2*pi*radius or diameter*pi
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Circumference = 2pi*r 410 = 2pi*r r = 205/pi A = pi*r^2 A = pi*(205/pi)^2 A = 205^2/pi metres A = 42 025/pi metres
The perimeter of a circle is its circumference
The round perimeter of circle is its circumference
The perimeter of a circle is its circumference
The distance around a circle is its circumference