A = (1.6999999999999993, -4.72)
B = (8.980000000000011, -4.659999999999998)
I = Midpoint(A, B)
c = Circle(I, B)
M = Point(c)
E = Rotate(M, 270°, B)
N = Rotate(B, 90°, M)
poly1, b, e, f, d = Polygon(B, E, N, M)
a = Line(E, M)
g = LineBisector(A, B)
C = Point(c)
h = LineBisector(A, B)
D, F = Intersect(c, h)