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

question 10

Multiple Choice

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

• 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

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