Odpowiedź:
1)
Pc = [tex]6a^{2}[/tex]
Pc = 6 * [tex](0,3)^{2}[/tex]
Pc = 6 * 0,09
Pc = 0,54
V = [tex]a^{3}[/tex]
V = [tex](0,3)^{3}[/tex]
V = 0,027
2)
3 dm = 30 cm
40 mm = 4 cm
Pc = 2 * (30cm * 4cm + 30cm * 5cm + 4cm * 5cm)
Pc = 2* (120cm + 150cm + 20cm)
Pc = 2* 290cm
Pc = 580 [tex]cm^{2}[/tex]
V = 30cm * 5cm * 4cm
V= 600 [tex]cm^{3}[/tex]