A = (31.31863344490461, 19.78630011971064)
B = (21.755343862068287, 3.120861655503216)
C = (50.44521261057728, 2.9099067382347674)
đa giác1, c, a, b = Polygon(A, B, C)
B' = (64.64951037331947, 3.824044713064709)
C' = (84.61990920806592, 3.9646813245770076)
d = Segment(B', C')
F = (42.14765253135163, 28.646406644985472)
α = Angle(C, B, A)
β = Angle(A, C, B)
E' = Rotate(C', α, B')
γ = Angle(C', B', E')
D' = Rotate(B', -(β), C')
δ = Angle(D', C', B')
e = Ray(B', E')
f = Ray(C', D')
A' = Intersect(e, f)
đa giác2, e_1, g, d_1 = Polygon(A', B', C')
h = OrthogonalLine(A, a)
i = OrthogonalLine(A', g)
H = Intersect(h, a)
H' = Intersect(i, g)
ε = Angle(C, H, A)
ζ = Angle(C', H', A')
j = Segment(A, H)
k = Segment(A', H')