B = (9.49168620346776, 7.87739049292853)
A = (-0.9556225173206354, 7.955647487091739)
đa giác1, a, b, c, d, D, C = Polygon(B, A, 4.0)
E = Point(a)
e = Circle(B, Segment[A, E])
f = Circle(C, Segment[A, E])
g = Circle(D, Segment[A, E])
H = Intersect(g, b)
G = Intersect(f, c)
F = Intersect(e, d)
đa giác2, e_1, h, g_1, f_1 = Polygon(E, F, G, H)
i = Segment(A, E)
j = Segment(E, B)
k = Segment(B, F)
l = Segment(F, C)
m = Segment(C, G)
n = Segment(G, D)
p = Segment(D, H)
q = Segment(A, H)