a) oblicz objętość
1) a = 5 cm
2) a = 4 cm
3) a = 3 dm
b) prostopadłośćian o krawędzi
1) a = 2 cm b = 3 cm c = 1 cm
2) a = 5cm, 6 = 5cm, c = 11cm
3) a = 1cm, b = 5cm, c = 11cm​