O = (9.62973542168377, 1.6545689401149786)
A = (1.1611968371932742, 1.8551590784597667)
B = (11.99429313664576, 8.031640849192366)
a = Segment(A, B)
b = Segment(A, O)
f = Segment(B, O)
C = (3.6188545051287617, 7.287876028632947)
d = Segment(C, B)
e = Line(C, A)
e' = Mirror(e, O)
đa giác1, c_1, a_1, b_1 = Polygon(A, B, C)
A' = Mirror(A, O)
B' = Mirror(B, O)
C' = Mirror(C, O)
đa giác1', c', a'_1, b' = Polygon(A', B', C')
h = Segment(C, O)
i = Segment(O, C')
c = Segment(O, A')
g = Segment(O, B')