Beantwortet: Vektorrechnung Pyramide

a)

AB = [0, 200, 0]

AS = [-100, 100, 250]

n = [0, 200, 0] x [-100, 100, 250] = [50000, 0, 20000] = 10000·[5, 0, 2]

b)

[80, -60, 50] + r·[5, 0, 2] = [x, y, 0] --> x = -45 ∧ y = -60 ∧ r = -25 → [-45, -60, 0]