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Pc=2 pi r ( r + h )
Pc= 2 pi 4 ( 4 +10 )
Pc= 8 pi 14 (tutaj musisz pomnozyc )
Pc= 112pi cm kwadrwatowych
V= pi r kwadrat x h
V= pi 4 kwadrat x 10
V= pi 16 x 10
V= 160 pi cm szesciennych