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Use the Law of Cosines to Solve the Given Triangle 215\frac { 2 } { 15 }

Question 10

Multiple Choice

Use the law of Cosines to solve the given triangle.Round your answer to two decimal places. ?
C = 40°,a = 215\frac { 2 } { 15 } ,b = 15\frac { 1 } { 5 } ?


A) A ? 41.21°,B ? 98.79°,c ? 0.13
B) A ? 99.76°,B ? 98.76°,c ? 0.13
C) A ? 98.76°,B ? 41.24°,c ? 0.20
D) A ? 41.24°,B ? 98.76°,c ? 0.20
E) A ? 98.79°,B ? 41.21°,c ? 0.20

Correct Answer:

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