Law of sines questions

Question

1. Solve the triangle (find the missing sides and missing angles). a= 22 inches b=12 inches and A= 42 degrees
2. Solve the triangle (find the missing sides and missing angles) a= 8ft b=19ft c=14 ft
3. Solve the triangle (find the missing sides and missing angles) b= 15 cm c= 10 cm A= 115 degrees

Answer 1

1. Law of Sines: a/SinA = b/SinB = c/SinC
2. 22/Sin42° = 12/SinB, SinB = .3650, B =21.41°
3. 2. Using the Law of Cosines: A = 22.08 B =41.12° C = 116.8°°
4. 3.Using Law of Cosines twice, then sum of angles = 180°
5. B = 39.8°
6. C = 25.4°
7. a = 21.25

Side Numbers don't work, ignor 2-7.