Determine Whether the Law of Sines or the Law of Cosine

question 19

Multiple Choice

Determine whether the Law of Sines or the Law of Cosine is needed to solve the triangle.Then solve the triangle. ​
A = 18,b = 20,C = 65°
​

• A)Law of Sines;A ≈ 65°,B ≈ 52.79°,c ≈ 20
• B)Law of Sines;A ≈ 52.79°,B ≈ 65°,c ≈ 20
• C)Law of Cosines;A ≈ 52.79°,B ≈ 62.21°,c ≈ 20.49
• D)Law of Sines;No solution
• E)Law of Cosines;No solution

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