A = (37.70828025224135, 3.8088999116657942)
B = (43.77711014959821, 10.308143276920298)
C = (52.90187566902837, 9.146026913596645)
D = (58.71245748564664, 3.8519412584555592)
E = (46.617839037722696, -2.3890540260603546)
đa giác1, a, b, c, d, e = Polygon(A, B, C, D, E)
f = Segment(A, D)
g = OrthogonalLine(B, f)
h = OrthogonalLine(C, f)
i = OrthogonalLine(E, f)
F = Intersect(g, f)
G = Intersect(i, f)
H = Intersect(h, f)
j = Segment(B, F)
k = Segment(E, G)
l = Segment(C, H)
α = Angle(D, F, B)
β = Angle(D, H, C)
γ = Angle(A, G, E)