Circumference - Simple English Wikipedia, the free encyclopedia
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In geometry, circumference is the distance around a closed curve; for example, a circle. It is a special kind of perimeter. The length of the circumference of a circle is often written as ,[1] with:[2][3]
where d is the diameter of the circle.
Related pages
[change | change source]References
[change | change source]- ↑ "List of Geometry and Trigonometry Symbols". Math Vault. 2020-04-17. Retrieved 2020-09-24.
- ↑ Weisstein, Eric W. "Circle". mathworld.wolfram.com. Retrieved 2020-09-24.
- ↑ "Radius, diameter, & circumference | Circles (article)". Khan Academy. Retrieved 2020-09-24.
Other websites
[change | change source]![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
- Numericana - Circumference of an ellipse
- Circumference of a circle With interactive applet and animation