Answer:
Explanation:
10. 23 degrees.
6. 1st one
9. 1st one
2. 4th one
I sure hope these are right.
D) 23°
all the angles added together is 180
82 + 24 + RUS + 51 = 180
157 + RUS = 180
RUS = 180 - 157
RUS = 23
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