Math Definitions - Letter I

Included Side

Definition of Included Side

Definition of Included Side

An included side in polygon is the side that forms one arm of two angles.

In the picture, side \(c\) is the included side between angles \(A\) and \(B\) of triangle \(ABC\).


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.


Year 1 to Year 12 students

Learning Objectives

Learn common math terms starting with letter I

Author: Subject Coach
Added on: 6th Feb 2018

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