Circumference
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
References
Other websites
- Numericana - Circumference of an ellipse
- Circumference of a circle With interactive applet and animation