\alpha

\mbox{lado oposto a \alpha}

\mbox{lado adjacente a \alpha}

\mbox{hipotenusa}

A = (2, 2)
B = (7, 2)
C = (7, 6)
polígono1, c, a, b = Polygon(A, B, C)
α = Angle(B, A, C)
D = Point(c)
E = Point(b)
d = CircleArc(A, D, E)