Dreieck ABC spiegeln

A = (-1.2297370398196847, -0.8116986544634932)
B = Point(Circle[A, 7])
c = Segment(A, B)
d = Circle(B, 3)
C_3 = Point(d)
r_a = Segment(B, C_3)
e = Circle(A, 5)
D = Point(e)
r_b = Segment(A, D)
C_2, C = Intersect(d, e)
a = Segment(B, C)
b = Segment(C, A)
b' = Segment(A, C_2)
a' = Segment(C_2, B)
poly1, c_1, a_1, b_1 = Polygon(A, B, C)
poly2, c_2, a_2, b_2 = Polygon(A, B, C_2)
f = false
g = Line(A, B)