Respuesta :

Answer:

x=19(rounded) or 18.7882942281

Step-by-step explanation:

a^2+b^2=C^2

8^2+17^2=C^2

64+289= C^2

353=C^2

[tex]\sqrt{353} =\sqrt{C^2}\\[/tex]

18.7882942281= C

19= C