The area of the rectangle is 12 cm 2. The area of a rectangle can also be calculated using the following formula. Break the shape into two squares and a rectangle. Calculate the area of each shape.

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 ...