A = (0.8284783192961271, 2.0834546245362104)
B = (-3.948254500809286, -3.75477437781485)
C = (8.789699686138475, -3.920633156290733)
đa giác1, c, a, b = Polygon(A, B, C)
B' = (13.102027926511427, -3.821117889205203)
d = Circle(B', a)
C' = Point(d)
e = Circle(B', c)
f = Circle(C', b)
A' = Intersect(e, f, 1.0)
đa giác2, e_1, f_1, d_1 = Polygon(A', B', C')