1. Q1 A x cm 37 mm 77° B 46 mm C A

2. b² = a²+ c² - 2ac cosB B

3. …looking for a side C

4. have 2 sides and the angle in between D

5. Q2 Q 9 cm 8 cm ? P R 6 cm B

6. Cos P = r² + q² - p² 2rq C

7. …looking for an angle D

8. have all 3 sides A

9. Q3 Q 9 cm 8 cm A = 77° P R 6 cm C

10. Area = ½ r q sin P D

11. …looking for an area A

12. have 2 sides and angle in between. B

13. Q4 A 4.6 cm 3.5 cm 75° ? C B D

14. b = c_ sinB sinC A

15. …looking for an angle B

16. have opposite pairs C

17. Q5 Q 55° r cm 4.4 cm 45° R P A

18. r = p_ sinR sinP B

19. …looking for a side C

20. have opposite pairs, if I work out the 3rd angle D

21. Q6 C 37 mm a 35° A B 46 mm B

22. a² = b²+ c² - 2bc cosA C

23. …looking for a side D

24. have 2 sides and the angle in between A

25. Q7 Q 60 cm 33 cm ? P R 46 cm C

26. Cos R = p² + q² - r² 2pq D

27. …looking for an angle A

28. have all 3 sides B

29. Q8 Q 9 cm 12 cm A = 67° 49.3° R P D

30. Area = ½ pr sin Q A

31. …looking for an area B

32. have 2 sides, can work out angle in between. C

33. Q9 C 16 cm 29 cm 66° ? A B A

34. a = b_ sinA sinB B

35. …looking for an angle C

36. have opposite pairs D