Answer:
x ≈ 10.92
Step-by-step explanation:
Using the sine ratio in the right triangle
sin83° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{x}{11}[/tex]
Multiply both sides by 11
11 × sin83° = x, thus
x ≈ 10.92 ( to 2 dec. places )