use slider at top to choose number of sides for the polygon (2-Dimentional shape). if you press "see inside" you can make the shape have more than 25 or less than 3. - 2 sides makes a line that goes back onto itself. - 1 side make a line that just goes offscreen to the right. - 0 sides makes a dot because it finishes the loop before it starts and just makes a dot. numbers such as 100 or greater make what looks like a circle. Perimeter slider changes shape size because that's how shapes work
