Daca un romb are un unghi de 60°, atunci diagonala mica imparte rombul in doua triunghiuri echilaterale.
[tex]\displaystyle\\
\bf\\
A_{romb} = 2 \times A_{\Delta echi} = 2\times \frac{L^2 \sqrt{3} }{4} = \frac{8^2 \sqrt{3} }{2}=\frac{64 \sqrt{3} }{2}=\boxed{\bf 32\sqrt{3} ~cm^2}[/tex]