Answer:
x ≈ 48.2°
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos x = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{6}{9}[/tex] , then
x = [tex]cos^{-1}[/tex] ( [tex]\frac{6}{9}[/tex] ) ≈ 48.2° ( to the nearest tenth )
