4. (1) Classify the triangle by its angle measure. ΔXYZ is a __________ triangle.

5. (2) Classify the triangle by its angle measure. ΔXYW is a __________ triangle.

6. (3) Classify the triangle by its angle measure. ΔXZW is a __________ triangle.

7. (4) Classify the triangle by its side measure. ΔEFG is a __________ triangle.

8. (5) Classify the triangle by its side measure. ΔDEG is a __________ triangle.

9. (6) Classify the triangle by its side measure. ΔDEF is a __________ triangle.

10. (7) Find each angle measure. m ∠ ACB = __________ degrees.

11. (8) Find each angle measure. m ∠ NKM = __________ degrees. (hint: 180 = 5x)

12. (9a) Given ΔABC is congruent to ΔXYZ, Is this the correctly drawn sketch? YES or NO

13. (9b) Given ΔABC is congruent to ΔXYZ, Is this the correctly drawn sketch? YES or NO

14. (9) Given ΔABC is congruent to ΔXYZ, identify the congruent corresponding parts BC = ____

15. (10) Given ΔABC is congruent to ΔXYZ, identify the congruent corresponding parts ZX = ____

16. (11) Given ΔABC is congruent to ΔXYZ, identify the congruent corresponding parts ∠ Y = ____

17. (12) Given ΔABC is congruent to ΔXYZ, identify the congruent corresponding parts ∠ A = ____

18. 13) Given ΔJKL is congruent to ΔPQR, find … x = _______

19. 14) Given ΔJKL is congruent to ΔPQR, find … RP = _______

20. 15) Find each angle measure. ∠ B = ____ degrees

21. 16) Find each angle measure. ∠ HEF = ____ degrees

22. 17a) Exterior Angles Theorem x = ___

23. 17b) Exterior Angles Theorem ∠ CDE = ____ degrees

24. 17c) Exterior Angles Theorem ∠ DEC = ____ degrees

25. 17d) Exterior Angles Theorem ∠ ECD = ____ degrees

26. 17e) Exterior Angles Theorem y = ____

27. 17f ) Exterior Angles Theorem y = ____

28. (17 f ) Classify the triangle by its angle measure. ΔCDE is a __________ triangle.

29. 18a) Exterior Angles Theorem x = ____

30. 18b) Exterior Angles Theorem y = ____

31. 18c) Exterior Angles Theorem ∠ ZBA = ____ degrees

32. 19a) Corr. to the Triangle Sum Theorem x = ____

33. 19b) Corr. to the Triangle Sum Theorem y = ____

34. 19c) Corr. to the Triangle Sum Theorem ∠ ABC = ____ degrees

35. (19d) Classify the triangle by its side measures. ΔABC is a __________ triangle.

36. (19e) Classify the triangle by its angle measures. ΔABC is a __________ triangle.