<em>A perimeter is either a path that outlines a shape or its length. The perimeter of a circle or an ellipse is called its circumference. Calculating the perimeter has several practical applications. A calculated perimeter is the length of fence required to surround a yard or garden.</em>
Remember the acronym of NESW (North, East, South, West). I remember it as Never Eat Shredded Wheat. If you go 6 blocks up, and 8 blocks left, you would be 8 blocks left, and a little down.
