ANSWER:
The answer is <
Explanation:
The first thing is to compare both triangles in the same orientation, just like that
We know that the sides RT and DB are equal, also the sides CB and RA.
The size of the side is directly proportional to its opposite angle, which means that the bigger the triangle, the bigger the side.
Therefore:
[tex]\begin{gathered} 30\text{\degree}(B)<40\text{\degree}(R) \\ DC\text{ (B opposite)}