Definition:Circumference of Geometric Figure

Definition

The circumference of a geometric figure is the line that forms its boundary.

Circumference of Circle

The circumference of a circle is the line that forms its boundary.

Circumference of Sphere

The circumference of a sphere is the circumference of a great circle of the sphere.

Also defined as

The term circumference is also used to refer to the length of the boundary.

Technically, the correct term for the length of the circumference is perimeter.

Also see

• Results about circumference of geometric figure can be found here.

Sources

• 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): circumference: 1.
• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): circumference: 3.
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): circumference: 3.