A = (-1.4773440299190816, 0.9328077951265096)
B = (-1.5913172572602279, -2.3534202598765463)
A' = Rotate(A, 340.0*°, B)
α = Angle(A', B, A)
Vieleck1, b, a, a' = Polygon(A, A', B)
c = LineBisector(A, A')
C = Point(c)
Vieleck2, c_1, a_1, a'_1 = Polygon(A, A', C)
d = Line(B, A)
D = Point(d)
β = Angle(C, A, D)
E = Midpoint(A, B)
e = Circle(A, E)
f = Line(A, C)
F = Point(f)
γ = Angle(A', C, F)