Engineering Board Exam Reviewer · Solutions to Oblique Triangles · easy
In triangle ABC, A=40°, B=60° and a=10. Find side b.
- 7.42
- 8.79
- 13.47
- 6.53
Answer
C. 13.47
Solution
By the law of sines, b=a B/ A=10 60°/ 40°=13.47.
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