Engineering Board Exam Reviewer · Solutions to Oblique Triangles · medium
Points A and B are 120 m apart on level ground. A point C is sighted so that angle CAB=75° and angle CBA=62°. Find the distance AC in meters.
- 169.96
- 92.69
- 155.36
- 109.69
Answer
C. 155.36
Solution
C=180°-75°-62°=43°. By the law of sines, AC=AB B/ C=120 62°/ 43°=155.35 m.
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