The perimeter is the distance around the outside of a closed 2D shape, space or area. You see the perimeter in real life on a football pitch or around a house to show its boundary. You can only ...

The perimeter of this shape is 10 + 10 + 6 + 6 = 32 The perimeter is the distance all the way around the outside of a 2D shape. To work out the perimeter, add up the lengths of all the sides.