A = (8.66, -1.2)
B = (11.3, -6.16)
C = (15.8, -1.34)
veelhoek1, c, a, b = Polygon(A, B, C)
d = LineBisector(b)
e = LineBisector(a)
f = LineBisector(c)
D = Intersect(d, e)
g = Circle(D, A)