Respuesta :

Answer:

x ≈ 6.4

Step-by-step explanation:

Using the sine ratio in the right triangle

sin40° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{x}{10}[/tex] ( multiply both sides by 10 )

10 × sin40° = x , thus

x ≈ 6.4 ( to the nearest tenth )