How to square a door

How to square a door


It depends on what door it is
Rectangle: length * width
Square: side length * side length
Circle: 3.14 * radius * radius



How to calculate the area of the door?
Regardless of the door pocket, how to calculate the area of the door? Do the four side areas of the door need to be added


Length * width = area of door
Not counting four side areas



How to calculate the area


Rectangle = length * width
Square = side length * side length
Triangle = low * high