Definition of Perimeter

The perimeter is the total distance you would cover if you walked around a two-dimensional shape.

You find the perimeter by adding up all the lengths of the sides of the shape.

For example, the perimeter of the pictured shape is

$4 + 1 + 2 + 1 + 2 + 1 + 4 + 3 = 18 \text{ cm}$

The perimeter of a circle is called its circumference.

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 P

Author: Subject Coach
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