A = (-4.78, 0.42)
B = (-0.38, 1.64)
C = (-4.22, 3.1)
polígono1, c, a, b = Polygon(A, B, C)
d = OrthogonalLine(C, c)
e = Line(A, B)
D = Intersect(d, e)
f = Segment(B, D)
h = Segment(C, D)
g = Segment(A, D)
α = Angle(B, A, C)