Polygon PropertyManager
You can control the following properties of sketched polygons:
Existing Relations
No relations exist for polygons.
Information 
. Displays the
status
of the selected sketch entity (Fully Defined, Under Defined, and so on).
Add Relations
You can only add relations to the points and lines of polygons.
Options
For construction. Converts the entity to construction geometry.
Parameters
You can specify any appropriate combination of the following parameters to define the polygon. When you change one or more parameters, the other parameters update automatically.
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Number of Sides 
. Sets the number of sides in the polygon. A polygon can have 3 to 40 sides.
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Inscribed circle. Displays an inscribed circle inside the polygon to define the size of the polygon. The circle is construction geometry.
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Circumscribed circle. Displays a circumscribed circle outside of the polygon to define the size of the polygon. The circle is construction geometry.
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Center X Coordinate 
. Displays the X coordinate for the center of the polygon.
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Center Y Coordinate 
. Displays the Y coordinate for the center of the polygon.
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Circle Diameter 
. Displays the diameter of the inscribed or circumscribed circle.
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Angle 
. Displays the angle of rotation.
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New Polygon. Lets you to create another polygon.