For angle x the perpendicular is 12 and hypotenuse is 54.
Determine the angle by using the trigonometry.
[tex]\begin{gathered} \sin x=\frac{12}{54} \\ x=\sin ^{-1}(0.222) \\ =12.826^{\circ} \\ \approx12.8^{\circ} \end{gathered}[/tex]
So value of x is 12.8 degree.
