Use the Define Polygon dialog to define a polygon.
To display this dialog, click the Polygon 
icon in the CAD Face window.
The following settings are available:
Define Polygon By — Specify how you want to define the polygon, and then enter the required value in the field displayed:
- Flat to Flat (D) — Enter the distance between two parallel sides.
- Center to Flat (d) — Enter the distance between the center and a side.
- Outer Circle Radius (R) — Enter the radius of the outer circle.
- Side Length (L) — Enter the side length.
Number of Sides (n) — Enter the number of sides in the polygon.
Orientation Angle (A) — Enter the polygon angle with the horizontal axis.
Center — Specify the location of the polygon center.
- z — Enter the horizontal coordinate of the polygon center.
- x — Enter the vertical coordinate of the polygon center.