A = (41.11178040872218, 7.545153981344725)
B = (34.17536501698321, -1.0631153766082602)
C = (51.99661686960488, -0.8852585716918763)
đa giác1, c, a, b = Polygon(A, B, C)
M = Midpoint(a)
d = Segment(A, M)