please help me !! due today:(

Answer:
[tex]\huge\boxed{\sf x = 65 \textdegree}[/tex]
Step-by-step explanation:
Using trigonometric ratio cos.
Here,
[tex]\displaystyle cos \theta =\frac{adjacent}{hypotenuse} \\\\cos \ x =\frac{12}{28} \\\\cos \ x = 0.43\\\\x = cos^{-1} 0.43\\\\x = 65 \textdegree\\\\\rule[225]{225}{2}[/tex]