Circumference
From Simple English Wikipedia, the free encyclopedia
English Wiktionary has a dictionary definition (word meaning) 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)
- c = π * diameter
[edit] External links
- Numericana - Circumference of an ellipse
- Circumference of a circle With interactive applet and animation