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Chapter 2

Chapter 2. Name the underlined portion of the following statement:. If the sun is shining then it is not raining. hypothesis. Write the converse: If today is Saturday then we are not in school. If we are not in school then today is Saturday.

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Chapter 2

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  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 schoolthen today is Saturday.

  6. Why are the following statements true?1. LN = LN2. If AB = BC and BC = 10 then AB = 10

  7. 1. Reflexive Property2. Substitution Property

  8. Name the following angles: 3 4 1 2

  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 = ______ 1 2 o

  13. 180 o

  14. m 1+ m 2 = 180because _________. 1 2 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. A X 1 2 B C If BX bisects ABC then 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 = BC1 1(et cetera) ~ =

  28. Reflexive Prop

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

  30. Def of midpoint

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

  32. Def of midpoint

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

  34. Def of comp s

  35. 1 l n If 1 is a right/900 angle then l n

  36. Def of

  37. 1 m n If m n then 1 is a right/900 angle

  38. Def of

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

  40. Vert s are ~ =

  41. C B A AB + BC = AC

  42. Segment Addition Postulate

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

  44. Angle Addition Postulate

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