Solution: What is the area of a spherical triangle ABC?

The area of a spherical triangle ABC whose parts are A = 93º40’, B = 64º12’, C = 116º51’ and the radius of the sphere is 100 m is? How to find the area of a spherical triangle?

What is the area of a spherical triangle ABC?

Problem Statement: ECE Board April 1997

The area of a spherical triangle ABC whose parts are A = 93º40’, B = 64º12’, C = 116º51’ and the radius of the sphere is 100 m is?
  • A. 15613 sq. m.
  • B. 16531 sq. m.
  • C. 18645 sq. m.
  • D. 25612 sq. m.

Problem Answer:

The area of a spherical triangle ABC is 16531 sq. m..

Solution:

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