k = 1.7 (slider from -5 to 5, step 0.1)
A_1 = (2.7151413808402967, 9.38827425613141)
B_1 = (7.256003467160496, 9.38827425613141)
C_1 = (13.848985919413861, 23.09818478598278)
O = (7.648962686168975, 18.033377074317944)
A = (16.59970045247321, 26.853128434286027)
C = (17.167308213263237, 18.120701345208715)
a = Segment(A, C)
A' = Dilate(A, k, O)
C' = Dilate(C, k, O)
a' = Segment(A', C')
b = Segment(O, A)
c = Segment(A, A')
d = Segment(O, C)
e = Segment(C, C')
B = (16.86167326514553, 22.574239160638147)
B' = Dilate(B, k, O)
f = Segment(B, O)
g = Segment(B, B')