Answer:
3) 5
Step-by-step explanation:
Sine = [tex]\frac{opposite}{hyphotenuse}[/tex]
Sine 30 = [tex]\frac{x}{10}[/tex]
sine of 30 is 0.5
0.5 = [tex]\frac{x}{10}[/tex]
multiply 10 on both sides
0.5 x 10 = [tex]\frac{x}{10}[/tex] x 10
5 = x
