Which sign explains the relationship between m∠1 and m∠2 in the diagram?

Answer:
The sign is > (greater)
Step-by-step explanation:
we know that
In any triangle, the shortest side is always opposite the smallest interior angle., and the longest side is always opposite the largest interior angle
so
In this problem
[tex]24\ m > 21\ m[/tex]
therefore
[tex]m\angle 1 > m\angle 2[/tex]