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pole powierzchni
P=2Лr² + 2Лr * H
P=2π9²+2π3*1=162π+6π= 168π
objetnosc
V=Л (pi)r² * H
V=π3²*1= 9π
b)
P= 8π
V=3π
c)
P=130π
V=200π
d)
P=198π
V=162π