Respuesta :

Answer:

Step-by-step explanation:

∠S=180-(54+62)=180-116=64°

using sin formula

[tex]\frac{x}{sin~64} =\frac{7}{sin~62} \\x=\frac{7~sin~64}{sin~62} \approx 7.1256 \approx 7.13[/tex]