Answer:
x ≈ 8.7
Step-by-step explanation:
Using the sine ratio in the right triangle
sin75° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{RS}{QS}[/tex] = [tex]\frac{x}{9}[/tex] ( multiply both sides by 9 )
9 × sin75° = x , then
x ≈ 8.7 ( to the nearest tenth )
