A = (7.32, 4.7)
B = (4.46, -1.6600000000000001)
C = (13.48, -0.56)
c = Circle(A, B, C)
D = Center(c)
E = (3.6, 3.68)
a = Line(E, D)
b = Line(D, xAxis)
a' = Mirror(a, b)
F = Intersect(c, a, 1.0)
f = Semicircle(D, F)
D' = Mirror(D, D)
F' = Mirror(F, D)
f' = Semicircle(D', F')