Area ABCD Area ABC Area ADC. Alternatively the formula to calculate the area of a rectangle is derived by dividing the shape into two equal size right triangles. The area of a rectangle is the space contained within its perimeter.
The Area of a rectangle A l x b where l is the length and b are the breadths of the rectangle.
Area w h w width h height. The perimeter of the rectangle is the sum of all its four sides. For example if the area is 60 and the width is 5 your equation will look like this. The Area of a rectangle A l x b where l is the length and b are the breadths of the rectangle.