In order to find the missing side we will use a trigonometric function in this case we will use the tangent
[tex]\tan (\theta)=\frac{OS}{AS}[/tex]
where
theta=41 °
OS=x
AS=16
[tex]\tan (41)=\frac{x}{16}[/tex]
we isolate the x
[tex]x=\tan (41)\cdot16=13.9[/tex]
x=13.9
