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


Circumference of a circle is presented in this interactive lesson from Math Goodies. Learn circumference at your own pace.


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.


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 ...


Find the circumference of a circle when given either the radius or diameter. Find the radius or diameter of a circle when given the circumference.

Jan 18, 2016 ... Need a custom math course? Visit http://www.MathHelp.com. This lesson covers the circumference of a circle. Students learn that the ...


An interactive math lesson to calculate the circumference of a circle.


Use the circumference calculator to find the area, circumference and diameter of a circle.