A = (3, 3)
B = (5, 5)
C = (7, 2)
polígono1, c, a, b = Polygon(A, B, C)
D = Point(yAxis)
E = Point(xAxis)
Eix = Line(D, E)
d = OrthogonalLine(A, Eix)
A' = Intersect(d, xAxis)