SOLUTION: in triangle ABC, a = 5, b = 9, and c = 6. Find angle A, angle B, and angle C. Thanks

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Question 43785: in triangle ABC, a = 5, b = 9, and c = 6. Find angle A, angle B, and angle C.
Thanks

Answer by Nate(3500)   (Show Source): You can put this solution on YOUR website!
in triangle ABC, a = 5, b = 9, and c = 6
Use Law of Cosines:







Use Law of Sines:





Use Law of Sum of Interior Angles: : 180(3 - 2) : 180
180 - (32 + 73) = C
180 - 105 = C
75 = C

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