Circumference
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The English Wiktionary has a dictionary definition (meanings of a word) for:
In geometry, circumference is the distance around a closed curve; for example, a circle. It is a special kind of perimeter.(c=PI x diameter)
This short article about mathematics or a similar topic can be made longer. You can help Wikipedia by adding to it.[change] Other websites
- Numericana - Circumference of an ellipse
- Circumference of a circle With interactive applet and animation
