oblicz pola powierzchni walców przedsatwionych na rysunkach
]a) Pc= 2*pi*r{2}+2*pi*r*H
Pc=2*pi*4{2}+2*pi*4*8
Pc=32pi+64pi
Pc= 96pi
b) Pc= 2*pi*r{2}+2*pi*r*H d=10 r=5
Pc=2*pi*5{2}+2*pi*5*10
Pc= 50pi+100pi
Pc=150pi
c)Pc=2*pi*r{2}+2*pi*r*H d=5 r=5/2 Pc=2*pi*(5/2){2}+2*pi*5/2*5Pc=25/2pi+25piPc=37,5pi
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]a) Pc= 2*pi*r{2}+2*pi*r*H
Pc=2*pi*4{2}+2*pi*4*8
Pc=32pi+64pi
Pc= 96pi
b) Pc= 2*pi*r{2}+2*pi*r*H d=10 r=5
Pc=2*pi*5{2}+2*pi*5*10
Pc= 50pi+100pi
Pc=150pi
c)
Pc=2*pi*r{2}+2*pi*r*H d=5 r=5/2
Pc=2*pi*(5/2){2}+2*pi*5/2*5
Pc=25/2pi+25pi
Pc=37,5pi