Sometimes shapes can be more complicated. Be particularly careful to add up the lengths of every side when you work out the total perimeter. Perimeter \(= 2 + 2 + 3 + 3 + 5 + 5 = 20~cm\) In some cases ...
Narrator: Okay. Draw a rectangle.Now, measure the perimeter. It’s the total length around a shape. But what if you couldn’t measure the sides? Then you’d have to use what information you do know to ...