Answer:
[tex]\frac{9\sqrt{2} }{2}[/tex]
Step-by-step explanation:
This particular case is a sine operation.
sin(45°) = [tex]\frac{x}{9}[/tex]
9sin(45°) = x
Plug into a calculator and you get:
x = [tex]\frac{9\sqrt{2} }{2}[/tex]
