Area of Rectangle Formula: Know to find area and perimeter of rectangle along with proper definition, units and some solved questions and examples.

STEP FOUR - 1 TRAPEZIUM = ½ RECTANGLE: This rectangle has the same area as TWO trapeziums. So the area of ONE trapezium must be HALF the area of the rectangle.

We can work out the area of a triangle by working out the area of a rectangle and then dividing it by two. Discover more in this Second Level Bitesize guide.