Area of a Rectangle Calculator
With this calculator you can easily calculate the area of a rectangle (using two sides, perimeter and any side, diagonal and any side, diagonal and sine of an acute angle between diagonals, circumcircle radius and any side using circumcircle diameter and any side) and get detailed step by step solution.
Select the values with which the calculation is performed
Rectangle A rectangle is a geometric shape, all of which are straight.
The area of the rectangle is calculated by the formula:a - side of the rectangleb - side of the rectangleP - perimeter of the rectangled - the diagonal of the rectanglesin α - sine of an acute angle between diagonalsR - the radius of the circumscribed circle of the rectangleD - diameter of the circumscribed circle of the rectangle