progeCAD Professional manual The low-cost alternative to AutoCAD

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Getting drawing information - Calculating areas

Calculating combined areas

You can find the total area of several combined regions by specifying points or by selecting entities. You can also subtract the areas of entities or polygons from a running total.

To add areas to calculate a combined area
  1. Do one of the following:
  2. Choose Tools > Inquiry > Area.
  3. On the Inquiry toolbar, click the Area tool (
  4. ).
  • Type area and then press Enter.
  • In the prompt box, choose Add Areas Together.
  • Using one of the following methods, identify the first area:
  • Specify points defining a polygon, and then in the prompt box, choose Done Specifying Area.
  • In the prompt box, choose Add Entities To Area, select the entities you want to add, and then press Enter to complete the calculations.
  • To complete the command, choose Done in the prompt box.
To subtract areas when calculating a combined area
  1. Do one of the following:
  2. Choose Tools > Inquiry > Area.
  3. On the Inquiry toolbar, click the Area tool (
  4. ).
  • Type area and then press Enter.
  • In the prompt box, choose Add Areas Together.
  • Using one of the following methods, identify the first area:
  • Specify points defining a polygon, and then in the prompt box, choose Done Specifying Area.
  • In the prompt box, choose Add Entities To Area, select the entities you want to add, and then press Enter to complete the calculations.
  • In the prompt box, choose Subtract Areas.
  • Using one of the following methods, identify the area to be subtracted:
  • Specify points defining a polygon, and then in the prompt box, choose Done Specifying Area.
  • In the prompt box, choose Subtract Entities From Area, select the entities you want to subtract, and then press Enter to complete the calculations.