Circumference = r x pi and d = 2r. So, r = d/2 = 6/2 = 3ft and Circumference = 3ft x 3.14 = 9.42.
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The circumference of a circle with diameter d is pi*d So if d = 8mi then circumference = 25.13 mi.
There is no circumference of a cone, but, we only do the circumference of the circle. the formula for the circle is pi times D. D= Diameter
A circle with a radius (d/2) of 9 meters has a circumference of 56.5 meters.
The diameter of a 22 circumference circle is: 7
Circumference = pi*d where d is the diameter.