AB'
----- = 
AB

AC'
---- = 
AC

B'C'
----- = 
BC

A = (38.82061999326113, 12.616092404637488)
B = (32.6751764986185, 3.1375270145954572)
C = (49.23662591638425, 3.085446984979842)
đa giác1, c, a_1, b = Polygon(A, B, C)
d = Line(A, B)
e = Line(A, C)
B' = Point(d)
a = Line(B', a_1)
C' = Intersect(e, a)
f = Segment(B', C')
kcAB' = Distance(A, B')
Văn bảnAB': "\overline{" + (Name[A]) + (Name[B']) + "} \, = \, " + kcAB'
kcAB = Distance(A, B)
Văn bảnAB: "\overline{" + (Name[A]) + (Name[B]) + "} \, = \, " + kcAB
kcAC' = Distance(A, C')
Văn bảnAC': "\overline{" + (Name[A]) + (Name[C']) + "} \, = \, " + kcAC'
kcAC = Distance(A, C)
Văn bảnAC: "\overline{" + (Name[A]) + (Name[C]) + "} \, = \, " + kcAC
kcB'C' = Distance(B', C')
Văn bảnB'C': "\overline{" + (Name[B']) + (Name[C']) + "} \, = \, " + kcB'C'
kcBC = Distance(B, C)
Văn bảnBC: "\overline{" + (Name[B]) + (Name[C]) + "} \, = \, " + kcBC
k: kcAB' / kcAB
k1: kcAC' / kcAC
k2: kcB'C' / kcBC
text4: k + ""
text5: k1 + ""
text6: k2 + ""