C = (5.8, 5.56)
B = (7.98, -0.64)
A = (-1.26, -0.46)
triangulo, b, a, c = Polygon(A, C, B)
f = OrthogonalLine(A, a)
g = OrthogonalLine(C, c)
h = OrthogonalLine(B, b)