Solution: Solve for angle C of the oblique triangle ABC

Solve for angle C of the oblique triangle ABC given, a = 80º, c = 115º and A = 72º. How to compute using law of sines?

Solve for angle C of the oblique triangle ABC

Problem Statement:

Solve for angle C of the oblique triangle ABC given, a = 80º, c = 115º and A = 72º
  • A. 61º
  • B. 85º
  • C. 95º
  • D. 119º

Problem Answer:

The angle C of the oblique triangle ABC is 119º56'.

Solution:

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