Answer:
A
Explanation:
It says the sum of the two sides must be greater than the third side, so we can eliminate answers B and D.
Answer C uses 12 multiple times, but in a equation of a triangle, we can't use 12 twice because when you calculate using the Pythagorean Theorem, X has to be the square root of 44. So C is out.
A is the correct answer. (also, I got it right on edge 2021)