1.powierzchnia boczna walca jest kwadratem o polu 4 pi kwadrat. Oblicz V
2pir=l=2pi
r=1
V=pirkw.*l
V=pi*2pi
V=2pikwadrat
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2pir=l=2pi
r=1
V=pirkw.*l
V=pi*2pi
V=2pikwadrat