Solve the triangle. Find the angles ? and ? first.
A. ? = 38.9°, ? = 31.6°, ? = 109.5°
B. ? = 109.5°, ? = 31.6°, ? = 38.9°
C. ? = 109.5°, ? = 38.9°, ? = 31.6°
D. ? = 38.9°, ? = 109.5°, ? = 31.6°
Answer: C
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C. 
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Fill in the blank(s) with the appropriate word(s).