# 10.8: Circumference

Difficulty Level:

**At Grade**Created by: CK-12
%

Progress

**Practice**Circumference

Practice

Progress

%

Practice Now

chord

chord

A line segment whose endpoints are on a circle.circumference

circumference

The distance around a circle.diameter

diameter

A chord that passes through the center of the circle. The length of a diameter is two times the length of a radius.pi

pi

(or ) The ratio of the circumference of a circle to its diameter.### Image Attributions

## Description

This concept teaches students how to calculate the circumference of a circle.

## Learning Objectives

None

## Related Materials

## Difficulty Level:

At Grade## Subjects:

## Concept Nodes:

## Date Created:

Jul 17, 2012## Last Modified:

Dec 17, 2014## Vocabulary

None

**You can only attach files to Modality which belong to you**

If you would like to associate files with this Modality, please make a copy first.