E = (1.62, -0.9)
D = Point(Circle[E, 5])
f = Segment(E, D)
c = Circle(D, E)
B' = Rotate(D, 36°, E)
α = Angle(D, E, B')
g = Ray(E, B')
C = Intersect(c, g, 2)
h = Segment(D, C)
i = Ray(E, D)
d = Circle(C, E)
F = Intersect(d, i, 2)
j = Segment(F, C)