Respuesta :

Using pythagorean theorem:

[tex]\begin{gathered} c^2=a^2+b^2 \\ _{\text{ }}where\colon \\ a=11 \\ b=9 \\ c=x \\ x=\sqrt[]{9^2+11^2}^{} \\ x=\sqrt[]{202} \end{gathered}[/tex]

Answer:

[tex]x=\sqrt[]{202}[/tex]