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6* a² = 486/ : 6
a²= 81
a = √81
a = 9
V = a³
V = 9³
V = 729 cm szesciennych
Pozdrawiam ; )
Pc = 6a²= 486 cm²
6a²= 486 cm² /:6
a²= 486 cm²: 6 = 81cm²
a = 9 cm
V = a³ = (9 cm)³ = 729 cm³
Odp Objętość sześcianu 729 cm³.