A = (1.8513169593154304, 1.9848988936141276)
B = (0.6714128848583061, 5.354180528452805)
a = Line(A, B)
C = (6.37428257806774, 4.751118445952497)
b = Line(B, C)
D = (3.3116798482270813, 1.036967683625301)
c = Line(C, D)
d = Line(D, A)
poli1, d_1, c_1, b_1, a_1 = Polygon(D, C, B, A)
E = Midpoint(A, B)
F = Midpoint(B, C)
G = Midpoint(C, D)
H = Midpoint(D, A)
e = Segment(E, H)
f = Segment(H, G)
g = Segment(G, F)
h = Segment(F, E)
poli2, h_1, g_1, f_1, e_1 = Polygon(H, G, F, E)
α = Angle(G, H, E)
β = Angle(H, E, F)
γ = Angle(F, G, H)
δ = Angle(E, F, G)