Engineering Board Exam Reviewer · Solutions to Oblique Triangles · medium
In triangle ABC, A=30°, a=8 and b=12. Find the largest possible length of side c.
- 5.1
- 15.68
- 12
- 10.61
Answer
B. 15.68
Solution
B=12 30°/8=0.75, so B=48.59° or 131.41° and two triangles exist. c=b A (a2-b2 2A)=10.39 5.29. The larger value is 15.68.
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