O = (1.62, 2)
B = (1.6, 4.96)
c = Circle(O, B)
A = Point(c)
C = Point(c)
D = Point(c)
E = Point(c)
poli1, a, c_1, d, e = Polygon(A, C, D, E)
α = Angle(A, E, D)
β = Angle(C, A, E)
γ = Angle(E, D, C)
δ = Angle(D, C, A)
F = Midpoint(A, C)
G = Midpoint(C, D)
H = Midpoint(D, E)
I = Midpoint(E, A)
b = OrthogonalLine(I, e)
f = OrthogonalLine(F, a)
g = OrthogonalLine(G, c_1)
h = OrthogonalLine(H, d)