| − | The distance around a circle, equal to 3.1416 times the circle's diameter.<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc.
| + | '''Circumference''' is the distance around a [[circle]], equal to [[pi]] times the circle's [[diameter]].<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc. 2000</ref> |