Encyclopedia > Circumference

Article Content

Circumference

Circumference is the distance around a circle; it can be calculated as:

circumference = 2 π r
circumference = π d

where r is the radius and d is the diameter of the circle.

π is also referred to as Pi.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

East Marion, New York

... two or more races. 2.91% of the population are Hispanic or Latino of any race. There are 329 households out of which 22.2% have children under the age of 18 living wi ...