r=3cm
h=5cm
P=?
V=?
Pwalca=Pp+Pb
V=Ppxh
P=2Pi(3)2 + 2Pi3 x 5
P=18Pi + 30 Pi
P=48 Pi
V=Pi(3)2 x 5
V=9Pi x 5 Odp.Pole walca wynosi 48 Pi a objetosc 45 Pi
V=45 Pi
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r=3cm
h=5cm
P=?
V=?
Pwalca=Pp+Pb
V=Ppxh
P=2Pi(3)2 + 2Pi3 x 5
P=18Pi + 30 Pi
P=48 Pi
V=Pi(3)2 x 5
V=9Pi x 5 Odp.Pole walca wynosi 48 Pi a objetosc 45 Pi
V=45 Pi
Licze na naj