Maths- Area, perimeter

• Area of parallelogram = base x height
• Area of rhombus = base x height
• Area of trapezium = half of (A+B) x height
• To find the perimeter of a rectangle add all four sides together.
• To find the perimeter of a square add all four sides together.
• Area of kite = half of length x width
• Area of rectangle = base x height
• Area of triangle = base x height divided by 2
• mm to cm = divide by 10
• cm to m = divide by 100
• m to km = divide by 1000
• km to m = times by 1000
• m to cm = times by 100
• cm to mm = times by 10