Respuesta :

Answer:

x=38.5

Step-by-step explanation:

[tex]\sqrt{23^{2}- 18^{2}} =\sqrt{205}[/tex]

cos(x)=[tex]\frac{18^{2} +23^{2} -205}{2(18)(23)}[/tex]

x=38.5(correct to the nearest tenth)
38.5 I believe is the answer