Answer:
No.
Step-by-step explanation:
It is a right triangle if it satisfies the Pythagorean theorem.
The theorem states that: [tex]a^2 + b^2 = c^2[/tex]
We have:
[tex]a = 5\\b=9\\c=13[/tex]
Therefore:
[tex]a^2=25\\b^2=81\\c^2=169[/tex]
And we can see that [tex]25+81\neq 169[/tex]
Therefore it is not a right triangle.
