Bissectrices
Author: maryvonne

Trouver un triangle ABC tel que les  bissectrices des angles A et B sont perpendiculaires.

A = (-1.26, 1)
B = (3, 1)
C = (4.16, 3.5)
O = Midpoint(A, C)
D = Mirror(B, O)
poly1, a, b, c, d = Polygon(A, B, C, D)
e = AngularBisector(D, A, B)
f = AngularBisector(C, B, A)