A = (5.811339648173206, 2.283166441136672)
B = (-0.5140189445196214, -2.218457374830851)
C = (7.404221921515561, -2.310798376184031)
đa giác1, c, a, b = Polygon(A, B, C)
d = Circle(B, C, A)
e = LineBisector(a)
f = LineBisector(b)
O = Intersect(e, f)