(△)

a = (0.48, -4.18)
b = (3.72, -4.18)
d_1 = Segment(a, b)
poly1, i_1, j_1, k_1, l, f, e = Polygon(a, b, 4)
c = (5.32, -2.35)
k = (15.83, -1.04)
i = (20.24, -5.55)