find the missing side, round to the nearest tenth

Answer:
x = 19.4 units (answer rounded up to the nearest tenth)
Step-by-step explanation:
[tex]\frac{18}{x}[/tex] = cos 22
x = [tex]\frac{18}{cos 22}[/tex] = 19.41362537
x = 19.4 units (answer rounded up to the nearest tenth)