A_1 = (-2.86, -0.48)
B_1 = (5.506782136993469, -3.743387627191515)
n_1 = Line(A_1, B_1)
A = (-2.3637747310689075, 3.0837184416941135)
B = (7.835662375183181, 1.438647940685712)
m1 = Line(A, B)
a = Line(B, B_1)
C = Point(a)
D = Point(m1)
E = Point(a)
F = Point(n_1)
α = Angle(C, B, A)
β = Angle(D, B, C)
γ = Angle(B, B_1, A_1)
δ = Angle(E, B_1, F)
ε = Angle(F, B_1, B)
ζ = Angle(A_1, B_1, E)
η = Angle(A, B, B_1)
θ = Angle(B_1, B, D)