Respuesta :

Answer:

8.7

Step-by-step explanation:

You will need to use the Pythagorean theorem

a² + b² = c²

([tex]3\sqrt{3}[/tex])² + 7² = c²

(9*3) + 49 = c²

c= [tex]\sqrt{76}[/tex]

≈8.7

8.71779. Use Pythagoran therom