Maximize Area of Polygon with Fixed Perimeter

Set slider P to 300, then move slider s. (1) Record the Number of Sides & the Area (rounded to nearest integer) for sides 3 to 25 by 1. (2) Observe the Area of the Polygon as the number of sides increases. Explain your results. (3) Subtract each area from the previous area. Explain your results.
What did you observe?
– Terry Lee Lindenmuth

Information: Maximize Area of Polygon with Fixed Perimeter