# 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.

Key stage:  KS 2

Curriculum topic:   Geometry: Properties of Shapes

Curriculum subtopic:   Understand Polygons

Popular topics:   Geometry worksheets

Difficulty level:

#### Worksheet Overview

A polygon is a flat, 2D shape.

It has straight sides and is fully closed, meaning that all 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 angles the same.

For example, an equilateral triangle is a regular polygon - all of its sides and angles are the same.

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.

Let's look at some more polygons in the questions.

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