The area of each square is 1 cm 2. There are 12 squares contained in this rectangle. The area of the rectangle is 12 cm 2. The area of a rectangle can also be calculated using the following formula.

Remember, the height must be the perpendicular height, measured across the shape. Calculate the area of the parallelogram. Area = \(9 \times 6 = 54~\text{cm}^2\) The formula for the area of a ...