Respuesta :

Answer:

x = 8.5

Step-by-step explanation:

[tex]\frac{sin28^{o} }{x} =\frac{sin83^{o} }{18}[/tex]

[tex]x=\frac{18sin28^{o} }{sin83^{o} } =8.513[/tex]

Rounded x = 8.5

Hope this helps