Answer:
B
Step-by-step explanation:
In the right triangle with hypotenuse of 10 use the sine ratio to find x
sin20° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{x}{10}[/tex]
Multiply both sides by 10
10 × sin20° = x, hence
x ≈ 3.4 ( to the nearest tenth ) → B
