Length is measured in millimetres (mm), centimetres (cm), metres (m) or kilometres (km). Mass or weight is measured in grams (g) and kilograms (kg). Capacity is measured in ...

The perimeter of a shape is the distance around the outside. It is a length so is measured in mm, cm, m, km or any other unit of length. 1. Calculate the lengths of the missing sides. The total ...