A = (3.14, 1.76)
B = (6.88, -1.2)
C = (8.36, 3.64)
veelhoek1, c, a, b = Polygon(A, B, C)
D = Midpoint(A, B)
E = Midpoint(C, B)
F = Midpoint(A, C)
d = Line(D, C)
e = Line(B, F)
f = Line(A, E)
Zwaartepunt = Intersect(d, e)