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In triangle ABC, a = 10, A = 30 degrees and B = 45 degrees. Find side b.
A10 root 2
B5 root 2
C10 root 3
D10 root 6
Answer & Solution
Correct answer: A. 10 root 2
b = a sin B / sin A = 10(0.7071)/0.5 = 10 root 2.
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