The perimeter is the distance around the outside of a 2D shape. The distance can be measured in units like millimetres, centimetres, metres and kilometres. To work out the perimeter, add up the ...

VO: Ambrose is an apprentice at the world famous Grecian Pizza Parlour. Today he’s decorating the upstairs restaurant for a sweet sixteen party. It looks good doesn’t it? Ambrose’s boss is bringing a ...