  # Find the Perimeter of a Regular Polygon

In this worksheet, students will work out the perimeter of a regular 2D polygon. Key stage:  KS 2

Curriculum topic:   Measurement

Curriculum subtopic:   Measure 2D Shapes

Difficulty level:   #### Worksheet Overview

In this activity, we will be working out the perimeter of a regular 2D polygon.

The perimeter is the total distance around the outside of a 2D shape. We can calculate the perimeter by adding together the length of all the sides.

Remember that in a regular polygon, all the sides are the same length.

Example

Calculate the perimeter of the shape.  3 cm First, count the number of sides.

There are 5 sides in this shape. It is a pentagon.

It is regular so each side is 3 cm long.

The perimeter is 5 x 3 = 15 cm

Remember the answer is 15 cm not just 15!

Let's try some questions now! ### What is EdPlace?

We're your National Curriculum aligned online education content provider helping each child succeed in English, maths and science from year 1 to GCSE. With an EdPlace account you’ll be able to track and measure progress, helping each child achieve their best. We build confidence and attainment by personalising each child’s learning at a level that suits them.

Get started 