Area = length x width
you may try the online calculator linked below that is related to this area and perimeter calculation of common shapes like rectangle, circle, triangle, parallelogram, rhombus and trapezoid.
The area of rectangle is : 35.0
The area of rectangle is : 168.0
The area of rectangle is : 30.0
The area of rectangle is : 48.0
Area of rectangle with part of the shape missing = area of rectangle (lengthxwidth)-area of missing part.
Rectangle area = (rectangle width) x (rectangle height)
A = lw Area of a rectangle = length times width
The area of rectangle is : 35.0
It's half the area of a rectangle
The area of rectangle is : 168.0
The area of rectangle is : 30.0
The area of rectangle is : 48.0
The area of rectangle is : 45.0
Area of rectangle with part of the shape missing = area of rectangle (lengthxwidth)-area of missing part.
The area of rectangle is : 72.0
Nobody invented the area of a rectangle. A rectangle would have had an area even if human beings had never existed!
Area of a rectangle: a = l * w