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V = Pp X H
Pp = πr²
r = 2
Pp = 4 π
V = 4 x 6 = 24 π
Drugi wokół 2 cm
Pp = 36π
V = 36 x 2 = 72π
r=6
H=2
V=1/3*πr²*H
V=1/3* 72π
V=24π
wokoł dluzszej
r=2
H=6
V=8π
obracany wokoó krotszej ma wieksza objetosc