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a³=8
a=∛8=2
Pc=6a²-warto zapamiętac
Pc=6*2*2=24cm²
V=8
8=a*a*a
a=2
Pc=6*a*a
Pc=6*2*2
Pc=24
a - bok sześcianu =³√8 = 2 cm
Pc - pole powierzchni calkowitej = 6a² = 6 razy 4 = 24 cm²