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en.wikipedia.org/wiki/Circumference

The circumference of a closed curve or circular object is the linear distance around its edge. The circumference of a ...

The usual definition of pi is the ratio of the circumference of a circle to its diameter , so that the circumference of a circle is pi times the diameter, or 2 pi times the ...

Learn the relationship between the radius, diameter, and circumference of a circle.

www.mathgoodies.com/lessons/vol2/circumference

A circle is a shape with all points the same distance from the center. It is named by the center. The circle to the left is called circle A since the center is at point A.

The distance around a rectangle or a square is as you might remember called the perimeter. The distance around a circle on the other hand is called the ...

virtualnerd.com/pre-algebra/perimeter-area-volume/circles/circumference/circle-circumference-from-diameter

Then you can use the formula for the circumference of a circle to get the answer! ... circle; find circumference; diameter; pi; multiply; pi times diameter; solve for ...