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Pb=36Pi cm2 + Pp
Pp=Pi* r2= 144Picm2
Pb= 144 + 36= 180Picm
180Pi = Pi* rl
180=12l/:12
l=15
H2 + r2=l2
H2 + 144=225
H2=81
H=pierw z 81
H=9
V=1/3 * Pp * H
V=1/3 * 144 * 9= 432Pi cm3