B = (-2.5128221634543753, -4.288538083091781)
C = (6.95620628044144, -4.107601233845362)
a_2 = Segment(B, C)
B' = Rotate(C, 70.0*°, B)
α = Angle(C, B, B')
b = Ray(B, B')
A' = Rotate(B, 310.0*°, C)
β = Angle(A', C, B)
c = Ray(C, A')
A = Intersect(b, c)
đa giác1, a, a_1, b_1 = Polygon(B, C, A)
E = (10.945863806324954, -1.5322667462380257)
d = Circle(E, a)
F = Point(d)
e = Circle(E, b_1)
f = Circle(F, a_1)
D = Intersect(e, f, 1.0)
đa giác2, e_1, f_1, d_1 = Polygon(D, E, F)