Our triangle would be:
Using the pythagorean theorem, we get that:
[tex]h^2=8^2+8^2[/tex]Solving for h :
[tex]\begin{gathered} h^2=8^2+8^2\rightarrow h=\sqrt[]{8^2+8^2} \\ \Rightarrow h=11.31 \end{gathered}[/tex]Thereby, the hypotenuse measures 11.31 cm