What is a correct name for the angle shown?

the answer is option B. angle S.

when naming an angle we place the vertex of the angle in the middle. here the angle is RST. But that option is unavailable. very often when there are no other angles interfering with the parent angle, we represent it using one letter that is the mid letter, the vertex. here in this case it is S.

4.722222222222222222 the 2 repeats

Step-by-step explanation:

1. subtract 150 from 2,000=1,850

2. 225×3.50=787.5

3. 1,850-787.5=1,062.5

4. divide 1,062.5 by 225=4.722222 repeating