A = (10.41584, -1.5925)
B = (15.01384, -1.5925)
C = (1.72804, -2.9961)
D = (5.35804, 0.6339)
E, F = carré(C, D)

Tool: carré
carré[ <Point>, <Point> ]
Input: C, D
Output: E, F

poly1, a, b, c, d, E, F = Polygon(C, D, 4)