A = (3.64, 4.58)
B = (1.46, 1.94)
C = (5.18, 0.02)
D = (7.36, 3.02)
poli1, b, a, d, c = Polygon(B, A, D, C)
α = Angle(B, A, D)
β = Angle(D, C, B)
γ = Angle(C, B, A)
δ = Angle(A, D, C)
E = Midpoint(C, D)
F = Midpoint(B, C)
G = Midpoint(B, A)
H = Midpoint(A, D)
e = OrthogonalLine(H, a)
f = OrthogonalLine(E, d)
g = OrthogonalLine(G, b)
h = OrthogonalLine(F, c)