Engineering Board Exam Reviewer · Spherical Trigonometry · medium
In a right spherical triangle with C=90°, the sides a=40° and b=50°. Find the hypotenuse c, in degrees.
- 90°
- 60.5°
- 64.03°
- 29.5°
Answer
B. 60.5°
Solution
For a right spherical triangle, c= a b= 40° 50°=0.4924, so c=60.52°.
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