A: (0, 3, 2)
B: (2, 0, 2)
C: (2, 3, 0)
d1, c, a, b = Polygon(A, B, C)
r = 0 (slider from -5 to 5, step 0.5)
D: (2, 3, r)
d, FlächeABC, FlächeABD, FlächeBCD, FlächeACD, KanteAB, KanteBC, KanteAC, KanteAD, KanteBD, KanteCD = Pyramid(A, B, C, D)