EXPLANATION
Given the following triangle:
In order to find the x-value, we need to apply the Pythagorean relationship as follows:
[tex]x^2=11^2+13^2=121+169=290[/tex]Isolating x:
[tex]x=\sqrt[]{290}=17.02938637[/tex]Rounding to the nearest hundreth:
x= 17.03