A = (6.4556, -5.3482)
B = (15.5636, 4.0238)
a = Segment(A, B)
C = (9.887600000000003, -1.8502000000000007)
E = (14.243600000000002, 0.10779999999999951)
F = (12.703600000000003, -1.4322000000000006)