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 = (1.0784722222222176, 3.5951388888888864)
K = (3.2159722222222182, 5.870138888888888)
L = Midpoint(J, K)
e = Segment(J, K)
A = (3.8909722222222185, 2.807638888888886)
f = Segment(J, A)
g = AngularBisector(A, J, K)
α = Angle(A, J, K)