[tex]A_{t} = 96 \: {cm}^{2} [/tex]
[tex]A_{t} = 6 {l}^{2} [/tex]
[tex]6 {l}^{2} = 96 \: | \div 6[/tex]
[tex]{l}^{2} = 16[/tex]
[tex]l = \sqrt{16} [/tex]
[tex]l = 4 \: cm[/tex]
[tex]V = {l}^{3} [/tex]
[tex]V = {4}^{3} [/tex]
[tex]V = 64 \: {cm}^{3} [/tex]