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