A = (1.04, 2.68)
B = (3.38, -0.1)
c = Circle(A, B)
C = Point(c)
D = Point(c)
E = (7.86, 0.32)
poly1, c_1, e, d = Polygon(E, D, C)
F = Point(c)
poly2, f, d_1, c_2 = Polygon(D, C, F)
α = Angle(C, F, D)