A = (-3.884710215083435, 0.23790993433672802)
B = (-1.9157024321963485, 4.261534534149471)
f = Segment(A, B)
c = Circle(B, A)
C = Point(c)
g = Segment(B, C)
d = Circle(C, B)
D = Point(d)
h = Segment(C, D)
q1, a, b, c_1, d_1 = Polygon(A, B, C, D)
E = Intersect(Segment[A, C], Segment[B, D])
i = Segment(A, E)
j = Segment(E, D)
M = Intersect(Line[A, B], Line[C, D])
t1, c_2, m, b_1 = Polygon(M, B, C)
α = Angle(E, D, A)
β = Angle(D, A, E)