Question: Determine whether the Law of Cosines is needed to solve the triangle. Then solve (if possible) the triangle. If two solutions exist, find both. Round

Determine whether the Law of Cosines is needed to solve the triangle. Then solve (if possible) the triangle. If two solutions exist, find both. Round your answers to two decimal places.
1. a = 8, c = 5, B = 40°
2. a = 10, b = 12, C = 70°
3. A = 24°, a = 4, b = 18

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