A = (3, 5)
B = (9, 5)
C = (7, 3)
D = (1, 3)
многоугольник1, a, b, c, d = Polygon(A, B, C, D)
E = (9, -2)
e = Segment(B, E)
f = Segment(B, E)
g = Segment(E, B)
F = (7, -4)
h = Segment(C, F)
G = (1, -4)
i = Segment(D, G)
j = Segment(G, F)
k = Segment(F, E)
H = (3, -2)
l = Segment(H, E)
m = Segment(H, G)
n = Segment(H, A)
p = Segment(E, F)
q = Segment(D, B)
r = Segment(B, F)
s = Segment(F, D)