Engineering Board Exam Reviewer · Spherical Trigonometry · medium
The sides of a spherical triangle are a=70°, b=50° and c=80°. Find angle C, in degrees.
- 86.32°
- 93.68°
- 81.79°
- 98.32°
Answer
B. 93.68°
Solution
C= c- a b/ a b=0.1736-0.2198/0.7198=-0.0642, so C=93.68°.
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