Community Tip - You can change your system assigned username to something more personal in your community settings. X
You can make the construction curve length the perimeter and drive the angle from that, or vis versa. Both dims will show on the dwg, and you can delete the "var" and "perim" from the text. Anything else would probably be MORE work.
you could place points on a curve - representing the hole center. point location can be a function of lenght on a curve.