a

x(M)

O = (0, 0)
I = (1, 0)
J = (0, 1)
c = Circle(O, 1.0)
M = Point(c)
a = Arc(c, I, M)
P: (a, x(M))
C: (x(M), 0.0)
S: (x(P), 0.0)
b = Segment(P, S)
f = Segment(O, S)
F: (0.0, x(M))
g = Segment(F, P)
i = Segment(C, M)
d = Segment(F, O)
e = Segment(O, C)