- The area of a 2D shape is the amount of surface it covers.
- The units for area are cm2 (square centimetres), m2 (square metres) or km2(square kilometres).
- To work out the area of a rectangle, multiply its length (the longer side) by its width (the shorter side):
area = length × width
- The area of this rectangle is 6 x 4 = 24 cm2: