(Last Updated On: January 20, 2020)

#### Problem Statement:

Solve the remaining side of the spherical triangle whose given parts are A = B = 80° and a = b = 89°.

- A. 158°12’
- B. 162°21’
- C. 168°31’
- D. 172°12’

#### Problem Answer:

The remaining side of the spherical triangle is equivalent to **168°31’**.

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