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r = śr/2 = 10/2 = 5 cm
H = 10 cm
V = Pp*H
V = π*r²8H
V = π*5²*10
V = 25*10π
V = 250π cm³
Pp=2pir
Pp=2pi5=10pi
10pi x 10 =100pi pod pi~ 3,14
314cm3
Pp= pi * r do kwadratu
Pp= 3,14 * 5 do kwadratu
Pp= 3,14 * 25 = 78,5 cm do kwadratu
V= 78,5 * 10 = 785 cm sześciennych