A = (-3.02, -1.98)
B = (7, -6.8)
C = (9.66, 4.64)
poly1, c, a, b = Polygon(A, B, C)
d = AngularBisector(C, B, A)
e = AngularBisector(B, A, C)
D = Intersect(d, e)
f = OrthogonalLine(D, a)
E = Intersect(f, a)
g = Circle(D, E)