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They are: 2*pi*radius or as diameter*pi
Circumference of a circle = 2*pi*radius
The circumference of a circle with a radius of 2 is: 12.57 units.
The formula; 2 * Pi * Radius = circumference Will calculate the circumference of a circle.
Circumference of circle B = 2*pi*r = 31.4 metres so B has the greater circumference. Circumference of circle B = 2*pi*r = 31.4 metres so B has the greater circumference. Circumference of circle B = 2*pi*r = 31.4 metres so B has the greater circumference. Circumference of circle B = 2*pi*r = 31.4 metres so B has the greater circumference.