Answer:
The sides are not a right triangle
Explanation:
The Pythagorean theorem states that a² + b² = c²
-> a and b are the legs
-> c is the hypotenuse
We can plug the values that we have in, and see if it will solve correctly.
a² + b² = c²
11² + 5² = 13²
121 + 25 = 169
146 ≠ 169