AREA command
Finds the area and perimeter of 2D entities.
                Icon: 
Alias: AA
Method
Specify the points that define the area for which BricsCAD will report the area and perimeter.
Options
- find area of one Entity
 - Provides the area and/or perimeter of the selected entity.
 
- Add areas together
 - Allows to add up the areas of two or more entities.
 
- Subtract areas
 - Allows to remove areas of entities from the total area and perimeter.
 
Note: This option can only be used after you have found the area
                of at least one entity.