A_1 = (-1.6552568193803705, -0.418476785759614)
B_1 = (4.745576887241659, -0.387176865433834)
a = Line(A_1, B_1)
C = (-0.5701929147533275, -0.3297936781699037)
D = (0.2123050933911752, -0.3245770247822738)
b = Segment(C, D)
c = OrthogonalLine(C, b)
d = OrthogonalLine(D, b)
E = Point(c)
e = OrthogonalLine(E, c)
F_3 = Intersect(d, e)
đa giác1, c_1, d_1, f, e_1 = Polygon(C, D, F_3, E)
G = (2.0746503527750906, 1.1517358839170206)
A = (0.25925497387984536, -0.32979367816990385)
F = Vector(A, G)
g = OrthogonalLine(A, a)
h = OrthogonalLine(A, g)
i = OrthogonalLine(G, g)
j = OrthogonalLine(G, h)
I = Intersect(g, i)
J = Intersect(h, j)
B = Point(h)
F_1 = Vector(A, I)
F_2 = Vector(A, J)
z = Vector(A, B)
α = Angle(J, A, G)
k = Segment(G, I)
l = Segment(G, J)