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.

Check out the updated revision resources for GCSE Maths: Area of a circle, with step-by-step slideshows, quizzes, practice exam questions, and more! The formula to calculate the area of a circle, with ...