A_1 = (8.401439728481595, -2.1586983830274695)
B_1 = (29.173935315386203, -2.0474668136196805)
A = (19.719251915724122, 6.684211384891755)
B = (9.263484391391957, -2.130890490675522)
C = (23.612356844996736, -2.242122060083311)
đa giác1, c, a, b = Polygon(A, B, C)
d = LineBisector(a)
e = LineBisector(b)
O = Intersect(d, e)
f = LineBisector(c)
g = Segment(O, A)
h = Segment(O, B)
i = Segment(O, C)
D = Midpoint(c)
E = Midpoint(b)
F = Midpoint(a)
k = Circle(O, A)