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R=14cm=1,4dm
H=40cm=4dm
V=3,14*(1,4)²*4=3,14*1,96*4=24,62dm²
odp. Pojemność tego kosza to 24,62 litra.
π=3,14
r=14
h=40cm
V=3,14*14²*40
V=3,14*196*40
V=24 617,6 cm³
1l=1000 cm³
24 617,6 cm³=24,6176 l
d=28cm
r=14cm
h=40cm
V= π×r²×h
V=π×14²×40
v=7840π
v=24617,6cm³