V = h × Ab /3
[tex] 3\sqrt{3} = \frac{1 \times \frac{ {l}^{2} \sqrt{3} }{4} }{3} [/tex]
[tex] \frac{ \frac{ {l}^{2} \times \sqrt{3} }{4} }{3} = 3 \sqrt{3} [/tex]
[tex] \frac{ {l}^{2} \times \sqrt{3} }{ 4} =9 \sqrt{3} [/tex]
[tex] {l}^{2} \times \sqrt{3} = 36 \sqrt{3} [/tex]
[tex] {l}^{2} = 36[/tex]
l = 6 cm ( latura bazei e 6 cm)