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(50g) Regular Polygon: Internal Angle and Area - Eddie W. Shore - 04-10-2015 05:09 AM
Regular Polygon: Internal Angle and Area: RPOLYG
Link to the original blog entry: http://edspi31415.blogspot.com/2015/03/regular-polygons-internal-angles-and.html
Input:
2: s: side length
1: n: number of sides
Program:
<< DEG DUP INV 360 * NEG 180 + UNROT 4 / SWAP SQ * SWAP DUP UNROT 2 / TAN * >>
Output:
2: Interior Angle
1: Area