Answer:
(c)
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos42° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{x}{12}[/tex]
Multiply both sides by 12
12 × cos42° = x, hence
x ≈ 8.9 → (c)
The answer is C hope it helps :))))
