Z = (4.04, 0.86)
A = (6.96, 2.64)
B = (7.65006, -0.01174)
C = (9.86, 1.16)
Vieleck1, c, a, b = Polygon(A, B, C)
k = 2.2 (slider from -5 to 5, step 0.1)
d = Line(Z, A)
e = Line(Z, B)
f = Line(Z, C)
A' = Dilate(A, k, Z)
B' = Dilate(B, k, Z)
C' = Dilate(C, k, Z)
Vieleck1', c', a', b' = Polygon(A', B', C')
A'_1 = Dilate(A, k, Z)
B'_1 = Dilate(B, k, Z)
C'_1 = Dilate(C, k, Z)
Vieleck1'_1, c'_1, a'_1, b'_1 = Polygon(A'_1, B'_1, C'_1)
A'_2 = Dilate(A, k, Z)
B'_2 = Dilate(B, k, Z)
C'_2 = Dilate(C, k, Z)
Vieleck1'_2, c'_2, a'_2, b'_2 = Polygon(A'_2, B'_2, C'_2)