A = (-4, -6.24)
B = (-1.78, 7.86)
a = Segment(A, B)
C = (-6.5600000000000005, -4.88)
D = (8.2, 6.68)
b = Segment(C, D)
E = (-8.74, 3.6)
F = (-5.42, 4.92)
G = (-3.14, 4.5200000000000005)
H = (-6.640000000000001, 2.4)
Vieleck1, e, f, g, h = Polygon(E, F, G, H)
E' = Mirror(E, a)
F' = Mirror(F, a)
G' = Mirror(G, a)
H' = Mirror(H, a)
Vieleck1', e', f', g', h' = Polygon(E', F', G', H')
E'' = Mirror(E', b)
F'' = Mirror(F', b)
G'' = Mirror(G', b)
H'' = Mirror(H', b)
Vieleck1'', e'', f'', g'', h'' = Polygon(E'', F'', G'', H'')
S = Intersect(a, b)
c = Circle(S, H)
d = Circle(S, E)
k = Circle(S, G)
p = Circle(S, F)
i = Ray(S, G'')
j = Ray(S, G)
α = Angle(G'', S, G)
l = Ray(S, F'')
m = Ray(S, F)
β = Angle(F'', S, F)