A = (-3.42, -4.56)
B = (-0.2, -4.36)
f = Line(A, B)
A' = Rotate(A, 30°, B)
α = Angle(A, B, A')
g = Line(B, A')
C = Point(g)
D = Point(f)
poly1, d, c, b = Polygon(C, B, D)
e = Circle(B, C, D)
E = Center(e)
h = Segment(E, D)