Circumference
From Conservapedia
Circumference is the distance around a circle, equal to pi times the circle's diameter.[1]
The formula is written, algebraically, as follows: 
where D is the circle's diameter.
Alternatively, it can be written as: 
where 'r' is the circle's radius.
References
- ↑ Wile, Dr. Jay L. Exploring Creation With General Science. Anderson: Apologia Educational Ministries, Inc. 2000
