Circumference = (pi) times (diameter) Diameter = (2) x (radius) Diameter of this circle = 60 ft Circumference = 60 pi = 188.5 ft (rounded)
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Circumference is the total distance around a circle. It's the length of the perimeter.
the radius of a circle is r
The radius of a circle is half the circle's diameter
The radius of a circle is half the diameter so if the radius of a circle is r, then the diameter is 2r.
It is the radius of the circle.