How would I show that they would a right triangle

Answer:
a right triamgle has a side that is always 90 degrees
Step-by-step explanation:
Answer:
By using the pythagorean theorem.
Step-by-step explanation:
the simplest way to show that this is a right triangle is to find each number squared.
2^2=4
3^2=6
[tex]\sqrt{13} ^{2}[/tex]=13