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# Math Definitions - Letter C

### Chapters

### Circumference

# Definition of Circumference

The **circumference** of a circle is its perimeter.

It measures the distance around the curvy edge of the circle.

The circumference of a circle depends on its radius \(r\). It is found using the formula

\(\text{circumference} = 2 \pi \text{(radius)}\)

In this formula, \(\pi\) is a constant that is equal to about \(3.14\).

### Description

The aim of this dictionary is to provide definitions to common mathematical terms. Students learn a new math skill every week at school, sometimes just before they start a new skill, if they want to look at what a specific term means, this is where this dictionary will become handy and a go-to guide for a student.

### Audience

Year 1 to Year 12 students

### Learning Objectives

Learn common math terms starting with letter C

Author: Subject Coach

Added on: 6th Feb 2018

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