PLS EXPLAIN YOUR REASON !!!!

Answer:
Box 1: 105
Box 2: 124
Box 3: 61
Step-by-step explanation:
Box 1 reason: Since you have angle 2 which is 75 all you have to do is 180 minus 75 and you will get 105.
Box 2 reason: same thing from box 1
Box 3 reason: same thing
brainliest pls