1.
[tex]d = a \sqrt{2} [/tex]
Długość krawędzi
[tex]a \sqrt{2} = 4 \sqrt{2} | \div \sqrt{2} \\ a = 4[/tex]
Zatem objętość
[tex]V= 4 cm\times 4 cm\times 4 cm= 64 {cm}^{3} [/tex]
2.
[tex]1dm = 10cm \\ 22cm \\ 30mm = 3cm[/tex]
Zatem
[tex]V= 10 cm\times 22cm \times 3 cm= 220 {cm}^{2} \times 3cm = 660 {cm}^{3} [/tex]
