oblicz objetosc szescianu ktorego pole calkowite wynosi 294cm2
prosze
P sześcianu = a x a x 6
294cm2 = a x a x 6
294cm2 : 6 = a x a
49cm = a x a
a = 7 cm
Objętośc = a x a x a
Objętośc = 7 cm x 7 cm x 7 cm
Objętośc = 343 cm 3
Pc=6a²
294cm²=6a² /:6
49cm²=a² /√
a=7cm
V=a³
V=(7cm)³
V=343cm³
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P sześcianu = a x a x 6
294cm2 = a x a x 6
294cm2 : 6 = a x a
49cm = a x a
a = 7 cm
Objętośc = a x a x a
Objętośc = 7 cm x 7 cm x 7 cm
Objętośc = 343 cm 3
Pc=6a²
294cm²=6a² /:6
49cm²=a² /√
a=7cm
V=a³
V=(7cm)³
V=343cm³