Răspuns :
[tex]D= l \sqrt{3} [/tex]
Aflăm latura
[tex]4 \sqrt{3} = l \sqrt{3} = > l = 4cm[/tex]
l=4
4²=4×4=16
=>
[tex]AL= 4l {}^{2} =>4 \times 16 = 64 {cm}^{2} [/tex]
[tex]D= l \sqrt{3} [/tex]
Aflăm latura
[tex]4 \sqrt{3} = l \sqrt{3} = > l = 4cm[/tex]
l=4
4²=4×4=16
=>
[tex]AL= 4l {}^{2} =>4 \times 16 = 64 {cm}^{2} [/tex]