Answer :

Answer:

x ≈ 3.7

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos68° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{x}{10}[/tex] ( multiply both sides by 10 )

10 × cos68° = x , then

x ≈ 3.7 ( to the nearest tenth )