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Geom2-4hour3
Geom2-4hour3
Geom2-4hour3
Geom2-4hour3
Geom2-4hour3
Geom2-4hour3
Geom2-4hour3
Geom2-4hour3
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Geom2-4hour3

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  • 1. Geom2­4hour3.notebook September 20, 2011 Please have your definition log (assignment from  yesterday) on your desk so that I can look at it while you  do your bell work.  Thank you! BELL WORK: Read the definition of complementary angles  carefully from either your definition log or p.66  of the book. Are    1,    2, and    3 complementary angles? Why or why not? Agenda for the day: • Present 2.4 • Pass back quiz and go over • exit slip 1
  • 2. Geom2­4hour3.notebook September 20, 2011 By the end of class, you will be able  to utilize FOUR new theorems to  complete 2­column proofs. BELL WORK:  p.79 #5 2
  • 3. Geom2­4hour3.notebook September 20, 2011 Agenda for the day: • review/finish 2.4 • in­class homework quiz • exit slip 1 700 2 A Given:    1 is supplementary to    A.     2 is supplementary to    A.  Can we come to any conclusions? Theorem: If angles are supplementary to the same angle,     then they are congruent. 3
  • 4. Geom2­4hour3.notebook September 20, 2011 A Z 8 Given:    8 is complementary to    A.     Z is complementary to    A.  Can we come to any conclusions? Theorem: If angles are complementary to the same angle,     then they are congruent. S B Given:    B is supp. to    V. V           D is supp. to    S.        V      S. D Can we come to any conclusions? Theorem: If angles are supplementary to congruent     angles, then they are congruent. 4
  • 5. Geom2­4hour3.notebook September 20, 2011 V D Given:    B is comp. to    V.           D is comp. to    S.        V      S. B S Can we come to any conclusions? Theorem: If angles are complementary to congruent     angles, then they are congruent. Given: Conclusion: 1 2 3 4 5
  • 6. Geom2­4hour3.notebook September 20, 2011 A Given: D B C Conclusion: H G Given: F E J Conclusion: 6
  • 7. Geom2­4hour3.notebook September 20, 2011 Given: K R P Conclusion: M O p.79 #7 K J Given: Conclusion: F H G 7
  • 8. Geom2­4hour3.notebook September 20, 2011 1) 2) 3) 4) IN­CLASS HOMEWORK QUIZ: You may use your notes and book. You may use a partner.  Complete the following problems and turn in by the end of the hour: p.79 #1,2,4,6,8 For #6, just provide a conclusion. You DO NOT need to prove. EXIT SLIP: Did you go to the Pumpkin Festival? If so, what was your  favorite part? Did you work any booths or tents? 8

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