Answer:
don't ask for an explanation. your answer is below.
Step-by-step explanation:

The answer is D.
Angle U and S are both 110 degrees.
Adding the three known angles subtract from 360 leaves only 20 degrees for angle T.
First to Answer:
The answer is 2 1/4
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Work:
9 divided by 4 is 2.25.
0.25 is equivalent to 1/4 and 2.00 is equivalent to 2.
put those together and you get 2 1/4.