Odpowiedzi

2010-04-13T20:35:14+02:00
V= πr²*h
srednica = 28
h= 40
r= 14
π=3,14
v=π14²*40
v= 196π*40
v=7840π
v= 7840*3,14
v= 24617,6cm³
;)

1000 cm3 = 1 dm3
1dm³ = 1l
v=25l
2010-04-13T20:38:28+02:00
R=14
V=π * r² * H
V=π* 196 * 40
V= 3,14 * 7840
V= 24617,6 cm
1dm= 100 cm
24617,6cm= 246,176 dm
1 l = 1 dm
246,176 dm= 246l ( w zaokrągleniu )
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