Odpowiedź:
[tex]a)1 {cm}^{2} =1 \times 10 mm \times 10mm = 100 {mm}^{2} \\ 9 {cm}^{2} = 9 \times 10mm \times 10mm = 900 {mm}^{2} \\ 5.2 {cm }^{2} = 5.2 \times 10mm \times 10mm = 520 {mm}^{2} [/tex]
[tex]b)1 {dm}^{2} = 1 \times 10cm \times 10cm = 100 {cm}^{2} \\ 17 {dm}^{2} = 17 \times 10cm \times 10cm = 1700 {cm}^{2} \\ 4.3 {dm}^{2} = 4.3 \times 10cm \times 10cm = 430 {cm}^{2} [/tex]
[tex]c)1 {m}^{2} = 1 \times 100cm \times 100cm = 10000 {cm}^{2} \\ 7 {m}^{2} = 7 \times 100cm \times 100cm = 70000 {cm}^{2} \\ 2.5 {m}^{2} = 2.5 \times 100cm \times 100cm = 25000 {cm}^{2} [/tex]
[tex]d)1 {km}^{2} = 1 \times 1000m \times 1000m = 1000000 {m}^{2} \\ 50 {km}^{2} = 50 \times 1000m \times 1000m = 50000000 {m}^{2} \\ 8.5 {km}^{2} = 8.5 \times 1000m \times 1000m = 8500000 {m}^{2} [/tex]
