A = (-8, 4)
B = (-4, 10)
a = Segment(A, B)
O = (-6, 0)
e = Segment(B, O)
h = Segment(O, A)
A' = Rotate(A, 270.0*°, O)
B' = Rotate(B, 270.0*°, O)
a' = Segment(A', B')
c = CircleArc(O, B', B)
d = CircleArc(O, A', A)
b = Segment(A', O)
f = Segment(B', O)
g = Distance(a', a)