Respuesta :

Answer:

x = [tex]12\sqrt{2}[/tex]

Step-by-step explanation:

Cos 45= 12/x

x=12/Cos 45

[tex]x=\frac{12}{\frac{\sqrt{2}}{2}}[/tex]

[tex]x=\frac{24}{\sqrt{2}}[/tex]

x= [tex]12\sqrt{2}[/tex]