A = (-2.38, -2.58)
B = (4.02, -3.16)
C = (7.5, 2.76)
poly1, c, a, b = Polygon(A, B, C)
d = AngularBisector(A, C, B)
e = AngularBisector(A, B, C)
f = AngularBisector(C, A, B)
D = Intersect(d, e)