Find the third side in simplest radical form: 2 3

The third side can be found below using pythagora's theorem
[tex]\begin{gathered} c^2=a^2+b^2 \\ c^2=2^2+3^2 \\ c^2=4+9 \\ c=\sqrt[]{13} \end{gathered}[/tex]The third side in the simplest radical form is square root of 13.