F = (0, 7)
B = (0, 2)
a = Segment(F, B)
C = (5, 2)
b = Segment(B, C)
D = (5, 7)
c = Segment(C, D)
d = Segment(D, F)
J = (1.3034722222222177, 3.482638888888886)
K = (3.7784722222222187, 5.507638888888887)
L = Midpoint(J, K)
e = Segment(J, K)
f = LineBisector(e)