A = (-1.06, 1.3)
B = (7.4, 1.32)
C = (5.76, 5.14)
poly1, c, a, b = Polygon(A, B, C)
D = Midpoint(A, B)
d = OrthogonalLine(D, c)
e = AngularBisector(A, C, B)
E = Intersect(d, e)