Odpowiedź:a) 0,5m = 5dm2 * (2dm * 2dm) + 4 * (5dm * 5dm) = 8dm2 + 100dm2 = 108dm2b) 0,8dm = 8cm2 * (6cm*6cm/2) + 3 * (8cm * 8cm) = 36cm2 + 192cm2 = 228cm2c) 45mm = 4,5cm6 * (4cm*4cm/2) + 6 * (4,5cm * 4,5cm) =48cm2 + 121,5cm2 = 169cm2
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Odpowiedź:
a) 0,5m = 5dm
2 * (2dm * 2dm) + 4 * (5dm * 5dm) = 8dm2 + 100dm2 = 108dm2
b) 0,8dm = 8cm
2 * (6cm*6cm/2) + 3 * (8cm * 8cm) = 36cm2 + 192cm2 = 228cm2
c) 45mm = 4,5cm
6 * (4cm*4cm/2) + 6 * (4,5cm * 4,5cm) =48cm2 + 121,5cm2 = 169cm2