area

• rectangle= length x height
• volume = Area x Height
• Total surface area = total surface of an object
• perimeter = sum of all sides
• area of triangle = (1/2)(base x height)
• radius = distance from the centre to any point on the edge
• diameter = distance across the circle through its centre
• circumference = distance around the outside of a circle
• Volume = amount of space something takes up
• Area of trapezium = 1/2 (a +b)h
• Volume of cylinder = base area x height
• parallelogram: bh
• kite: 1/2 xy
• circle: 0/360 pi r2