1. Chapter 2

2. Name the underlined portion of the following statement: If the sun is shining then it is not raining.

3. hypothesis

4. Write the converse: If today is Saturday then we are not in school.

5. If we are not in school then today is Saturday.

6. Why are the following statements true? 1. LN = LN 2. If AB = BC and BC = 10 then AB = 10

7. 1. Reflexive Property 2. Substitution Property

8. Name the following angles: 12 34

9. Angles 1 and 2: Angles 3 and 4: Adjacent Angles Vertical Angles

10. Vertical angles are ___________.

11. Vertical angles are congruent: )(

12. m 1 + m 2 = ______ 12 o

13. 180 o

14. m 1 + m 2 = 180 because _________. 12 o

15. Angle Addition Postulate

16. If 1 and 2 are complementary angles then m 1 + m 2 = ______ o

17. 90

18. If 4 and 5 are supplementary angles then m 4 + m 5 = ______ o

19. 180

20. For the following slides, tell WHY each given statement is true…

21. If 1 and 2 are supps 3 and 1 are supps then 2 3 = ~

22. Supps of the same are = ~

23. If BX bisects ABC then 1 2 A B C X 1 2 = ~

24. Def of bisector

25. If 1 and 2 are supps then m 1 + m 2 = 180 0

26. Def of supp s

27. BC = BC 1 1 (et cetera) = ~

28. Reflexive Prop

29. If M is the midpoint of AB then AM MB (AM = MB) AMB = ~

30. Def of midpoint

31. If AM MB (AM = MB) then M is the midpoint of AB = ~ AMB

32. Def of midpoint

33. If 5 and 6 are comps then m 5 + m 6 = 90 0

34. Def of comp s

35. If 1 is a right/90 0 angle then l n 1 l n

36. Def of

37. If m n then 1 is a right/90 0 angle 1 m n

38. Def of

39. 1 2 (m 1 = m 2) = ~ 12

40. Vert s are = ~

41. AB + BC = AC A B C

42. Segment Addition Postulate

43. m 1 + m 2 = m ABC A B C 1 2

44. Angle Addition Postulate