Math Definitions - Letter I


Definition of Diagonal

Definition of Diagonal

A diagonal in a \(2\) or \(3\)-dimensional geometric shape is a line segment joining one vertex (corner) to another vertex that is not adjacent to it.

Line segments that join adjacent vertices are called edges.


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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