A = (-8.90456849486831, -1.53675831243867)
B = Point(Circle[A, 5])
f = Segment(A, B)
C = Rotate(B, 55°, A)
α = Angle(B, A, C)
g = Ray(A, C)
c = Circle(A, 5)
d = Circle(C, 5)
e = Circle(B, 5)
D = Intersect(d, e, 1)
v1, s, b, d_1, c_1 = Polygon(A, B, D, C)