A = (43.88365018007538, 13.974930485041066)
B = (35.70708553042373, 1.423643347677725)
C = (65.8093426482495, 1.0590831403684167)
đa giác1, c, a, b = Polygon(A, B, C)
d = AngularBisector(B, A, C)
D = Intersect(d, a)
e = Segment(A, D)
α = Angle(B, A, D)
β = Angle(D, A, C)
f = Distance(c, b)
khoangcachBD = Distance(B, D)
khoangcachDC = Distance(D, C)
X = Segment(B, D)
Y = Segment(D, C)