Area A X B. Formula for the area of a Rectangle Calculator To calculate the area of a rectangle r multiply the length A by the width B. The Area of a Rectangle Formula is A l times b.
Image will be uploaded soon Example 2.
Now let us calculate the cost of painting the land. Image will be uploaded soon Example 2. The perimeter of the rectangle is the sum of all its four sides. Given l 500 m and b 300 m.