With a radius of 84cm? about 528cm, or 5.28m.
C=2(pi)r = 2(~3.14)(84) =~528
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The perimeter of a circle is its circumference
The perimeter of a circle is its circumference
The round perimeter of circle is its circumference
The distance around a circle is its circumference
The formula; 2 * Pi * Radius = circumference Will calculate the circumference of a circle.