[tex]L = 3l[/tex]
[tex]h = \frac{l}{4} [/tex]
[tex]V=L \: \times \: l\times \: h[/tex]
[tex]V=6000 \: kl [/tex]
[tex]3l \times \: l \times \frac{l}{4} = 6000 \: | \times 4[/tex]
[tex]3l \times l \times l = 24000[/tex]
[tex]3 {l}^{3} = 24000 \: | \div 3[/tex]
[tex] {l}^{3} = 8000 \: = > l = 20 \: m[/tex]
[tex]L = 3l[/tex]
[tex]L = 3 \times 20[/tex]
[tex]L = 60 \: m[/tex]
[tex]h = \frac{l}{4} [/tex]
[tex]h = \frac{20}{4} [/tex]
[tex]h = 5 \: m[/tex]
