Math Definitions - Letter M


Definition of Icosahedron

Definition of Icosahedron

An icosahedron is a polyhedron with \(20\) faces. In other words, it is a solid shape with \(20\) flat faces.

Some games use dice that are shaped like icosahedrons.


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 M

Author: Subject Coach
Added on: 6th Feb 2018

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