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

Revise how to calculate the area of a triangle. Learn how to calculate the triangle's area by first finding the area of a rectangle in this BBC Bitesize maths guide.

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.