Answer:
x ≈ 6.7
Step-by-step explanation:
Using the tangent ratio in the right triangle
tan40° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{x}{8}[/tex]
Multiply both sides by 8
8 × tan40° = x, hence
x = 6.7 ( to 1 dec. place )
