Determine whether the Law of Sines or the Law of Cosines is needed to solve the triangle.Then solve the triangle.Round your answer to two decimal places.
A = 170,B = 20°,C = 15°

A)Law of Cosines;No solution
B)Law of Sines;A = 145°,b ≈ 76.71,c ≈ 101.37
C)Law of Sines;A = 145°,b ≈ 101.37,c ≈ 76.71
D)Law of Cosines;A = 145°,b ≈ 101.37,c ≈ 76.71
E)Law of Sines;No solution

Question

Determine whether the Law of Sines or the Law of Cosines is needed to solve the triangle.Then solve the triangle.Round your answer to two decimal places. ​
A = 170,B = 20°,C = 15°
​
A)Law of Cosines;No solution
B)Law of Sines;A = 145°,b ≈ 76.71,c ≈ 101.37
C)Law of Sines;A = 145°,b ≈ 101.37,c ≈ 76.71
D)Law of Cosines;A = 145°,b ≈ 101.37,c ≈ 76.71
E)Law of Sines;No solution

Quizplus · Accepted Answer

The Answer is C

Determine Whether the Law of Sines or the Law of Cosines