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Pc=a kwadrat*6
150= a kwadrat*6
a kwadrat=25
a=5cm
a-krawędż
Obj=a szcześcian
Obj=5*5*5=125cm sześciennych
a=5cm
V=25cm²*5cm=125cm³
V=?
6×a²=150cm² |:6
a²=25cm²
a=√25cm²
a=5cm
V=a³
V=5cm³
V= 125cm³