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 find ...

KAYLA: Let’s build a fairground for our virtual city. ZACH: Ah yes, with a circus and rides, and lots of stalls. KAYLA: Sweet! It can go in the park. ZACH: Where is everything going to go? ADA: You ...