Solve the right triangle shown in the figure. 
= 3.9 cm, 
= 1.9 cm, ?C = 90°
A. ?A = 29°, ?B = 61°, 
= 5.8 cm
B. ?A = 64°, ?B = 26°, 
= 4.3 cm
C. ?A = 60°, ?B = 30°, 
= 4.3 cm
D. ?A = 26°, ?B = 64°, 
= 4.3 cm
Answer: B
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