You can use the Circle Zone Edge command to define a space edge in a circular form .
Location of Circle Zone Edge Command
Ribbon menu Home tab Zone under the heading located, after entering the Zone Edge command opened Zone Edge can be accessed from the toolbar.
Click the circle zone edge icon.
Click the point you have set as the center with the left mouse button.
When you move the mouse, a circular form will appear at the tip of the cursor.
After determining the radius of your circle, click the left mouse button.
A circle zone edge will be formed.
Exit the command by pressing the Esc key on the keyboard. You can now define the zone.
The area to be drawn circle zone edge
Determination of the center of the circle zone edge
Creation of circular form preview
Determination of the radius of the circle zone edge
Formation of circle zone edge
After the zone is created, the area