Use the Law of Cosines to Solve the Given Triangle

question 41

Multiple Choice

Use the law of Cosines to solve the given triangle.Round your answer to two decimal places. ​
A = 140°,b = 8,c = 9
​

• A)a ≈ 15.98,B ≈ 21.23°,C ≈ 18.77°
• B)a ≈ 8,B ≈ 18.77°,C ≈ 21.23°
• C)a ≈ 15.98,B ≈ 18.77°,C ≈ 21.23°
• D)a ≈ 15.98,B ≈ 20°,C ≈ 20°
• E)a ≈ 9,B ≈ 18.77°,C ≈ 21.23°

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