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liczba krawędzi = 12
długość jednej krawędzi (a) = 60 : 12 = 5 cm
Pc = 5 * 5 * 6 = 25 * 6 = 150 cm²
a)
a = 5 cm
Pc = 5 * 5 * 6 = 150 cm²
b)
a = 8 dm
Pc = 8 * 8 * 6 = 64 * 6 = 384 dm²
c)
a = 10 m
Pc = 10 * 10 * 6 = 100 * 6 = 600 m²