B = (-0.6, 1.2)
C = Point(Circle[B, 10])
a = Segment(B, C)
c = Circle(B, 9)
d = Circle(C, 8)
A, D = Intersect(c, d)
P, a_1, b, c_1 = Polygon(B, C, A)
E = Mirror(A, a_1)
F = Mirror(B, b)
G = Mirror(C, c_1)
e = Line(G, C)
f = Line(B, F)
g = Line(E, A)