Please need help!! ASAP Find the length of the Hypotenuse. And explain, please.

Answer:
[tex]n\sqrt{2}[/tex]
Step-by-step explanation:
In this right triangle, we have 2 sides of length [tex]n[/tex], so the hypotenuse would be [tex]\sqrt{n^2+n^2}=n\sqrt{2}[/tex].