Nửa mặt phẳng (I)

Nửa mặt phẳng (II)

A = (-0.32, -0.4)
B = (16.246000000000002, -0.132)
a = Line(A, B)
M = (3.16, 0.9)
N = (8.42, 3.58)
P = (6.92, -2.56)