The perimeter is the total distance around the edge of a 2D shape. Examples of units of distance are millimetres (mm), centimetres (cm) and metres (m). The perimeter of any 2D shape can be found ...

Discover how to work out the area of a 2D shape, by adding the length of its sides together. Perimeter on a grid Find out about perimeter, the distance around a 2D shape, and how to work it out on ...