Answer:
x = 50.3
Step-by-step explanation:
Sin(x) = [tex]\frac{opp}{hyp}[/tex] = [tex]\frac{30}{39}[/tex]
solve for x, if you're using a calculator, make sure it's in degrees mode
[tex]sin^{-1}[/tex] (x) = (30/39)
about 50.3
