Anwendungen  Inhalt, Umfang, Winkel

A = (12.551, 9.138)
B = (5.6, 0.2)
C = (-4, 5)
g = Line(C, A)
h = Line(C, B)
f = Line(B, A)
Vieleck1, c, a, b = Polygon(A, B, C)
d = Perimeter(Vieleck1)
n = OrthogonalLine(B, b)
S = Intersect(n, g)
α = Angle(C, A, B)
β = Angle(A, B, C)
γ = Angle(B, C, A)