Răspuns :
d=8cm =>r=4cm=d:2
l=g=25cm
v cilindru=
[tex]\pi r^{2} g[/tex]
v cilindru=
[tex]\pi \times \ r ^{2} \times g = \pi \times 4^{2} \times 25 = 400\pi[/tex]
l=g=25cm
v cilindru=
[tex]\pi r^{2} g[/tex]
v cilindru=
[tex]\pi \times \ r ^{2} \times g = \pi \times 4^{2} \times 25 = 400\pi[/tex]