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Understand Regular and Irregular Polygons

In this worksheet, students will be asked to build upon their existing knowledge of polygons to solve a variety of problem based questions.

'Understand Regular and Irregular Polygons ' worksheet

Key stage:  KS 2

Curriculum topic:   Geometry: Properties of Shapes

Curriculum subtopic:   Understand Polygons

Difficulty level:  

Worksheet Overview

A polygon is a flat, 2D shape. 

It has straight sides and is fully closed.

All of the sides are straight and joined up.

Polygons can have any number of sides.


Regular polygons:

A regular polygon has all sides of the same length and all sides at the same angle.

An equilateral triangle is a regular polygon; all of its sides and angles are the same.



Equilateral triangle



Irregular polygons:

An irregular polygon is a shape with sides and/or angles at differing lengths and sizes.

A scalene triangle has differing angles and sides.



Scalene triangle


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