Respuesta:
[tex] \frac{6 \sqrt{3} }{ac} = sen(60°)[/tex]
[tex] \frac{6 \sqrt{3} }{sen(60°) } = ac[/tex]
[tex] \frac{6 \sqrt{3} }{ \sqrt{3}/2 } = ac [/tex]
[tex] \frac{12 \sqrt{3 } }{ \sqrt{3} } = ac= ac= 12[/tex]
AC=12
