1 / 15

2.5 Proofs in geometry

2.5 Proofs in geometry. Agenda. Turn in Projects !!! Quiz Warm-up HW Check 2.5 Notes Practice Homework. Warm-up. Homework Check. 5. Reflexive 6. Distributive 7. Division 8. Symmetric 9. Multiplication 10. Reflex. 11. Subtract. 12. Symmetric

barth
Télécharger la présentation

2.5 Proofs in geometry

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 2.5 Proofs in geometry

  2. Agenda Turn in Projects!!! Quiz Warm-up HW Check 2.5 Notes Practice Homework

  3. Warm-up

  4. Homework Check 5. Reflexive 6. Distributive 7. Division 8. Symmetric 9. Multiplication 10. Reflex. 11. Subtract. 12. Symmetric 13. Substit. 14. Addition 15. Transitive 16. 15 17. 5x 18. YU=AB 19. <K 20.<PQR 21. 3 22. EF +7 27. Given, Defn of Midpt., Substitution, Subtraction, Division

  5. Vertical Angles 2 1 3 4 2 1 3 4 • A pair of nonadjacent angles formed by two intersecting lines. • What can we say about vertical angles? • Vertical Angles are≅ • Indicate which angles are congruent

  6. Are angles whose measures have a sum of

  7. D C Are two angles whose measures have a sum of

  8. Example: If m<1 = 3x+5 and m<3 = 5x -25, Find m<4 and m<GHD

  9. Reasoning and Proof In Geometry **Things we CANNOT assume unless it is marked or stated.

  10. Draw a conclusion based on the info given. -Justify Given: m<A = 90 Conclusion: Reason:

  11. Conclusion: Reason:

  12. 3. Given: R is the midpoint of ST. Conclusion: Reason: Given: W, U, and V are collinear and U is between W and V. Conclusion: Reason:

  13. Homework Worksheet Mini-Project due Tuesday, Sept 18 Test Sept 18.

More Related