2D shapes can be found printed in a book or on ... Rectangles don't all look the same. Here are some more examples. Some have been turned, some are long and thin, others are shorter and wider.

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