Sông

Nối đường thẳng AB

A_1 = (-1.8445986963757397, -1.267605907914199)
B_1 = (7.369552422337278, 1.38117954881657)
a = Line(A_1, B_1)
C = (0.7362691845414195, -3.146658838757395)
b = Line(C, a)
A = (-3.225589404585799, 2.875366216715977)
B = (19.051375462278106, -4.369175203402365)
c = Segment(A, B)
d = true