Enter the interior angle of each angle in a regular polygon, then see what you got. Samples: Triangle - 60 Square (Quadrilateral Polygon) - 90 Pentagon - 108 Hexagon - 120 Heptagon - 128.571 (Damn this number) Octagon - 135 Nonagon - 140 Decagon - 144 12-sided - 150 15-sided - 156 18-sided - 160
https://scratch.mit.edu/projects/408012333/ Polygon Creator (by angle)
