Answer:
[tex]\sf x=2.7[/tex]
using sine rule:
[tex]\hookrightarrow \sf sin\theta = \dfrac{opposite}{hypotenuse}[/tex]
[tex]\hookrightarrow \sf sin(39)= \dfrac{1.7}{x}[/tex]
[tex]\hookrightarrow \sf x= \dfrac{1.7}{sin(39)}[/tex]
[tex]\hookrightarrow \sf x=2.7[/tex]
