O = (14.813537950547419, -1.9235957682371756)
B_1 = (14.635781522942548, -5.986599827777093)
c = Circle(O, B_1)
A = (3.9957896420223884, -1.5680829130274327)
B_2 = Midpoint(A, O)
d = Circle(B_2, O)
C, B = Intersect(c, d)
a = Segment(A, O)
b = Segment(B, O)
e = Segment(B, A)
f = Segment(A, C)
g = Segment(C, O)