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Geometry Proofs Review: Homework, Notes, and Agenda | Bell Ringer #1-3 Today

Stay on track with your geometry class! Review last night's homework, tackle 3 proofs, and prepare for a sub tomorrow. Learn how to prove triangle congruence, participate in guided and independent practice, and earn extra credit. Make the most of your class time by mastering geometric interpretations and postulates. Follow the agenda step-by-step and excel in your understanding of SSS, SAS, ASA, and SAA postulates. Enhance your skills by proving statements using given information and shortcuts. Get ready for a productive class session!

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Geometry Proofs Review: Homework, Notes, and Agenda | Bell Ringer #1-3 Today

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Presentation Transcript

  1. 1/11 Geometry Bell Ringer Grab today’s materials Choose #1-3 from last night’s HW to review. Given: Prove: Homework: Finish 3 Proofs!

  2. 1/11 News and Notes • Extra Credit? • Homework Checked? • Perfection Award: 4th Period. I still need to talk to Oscar, Shacora and DeAndra

  3. Tomorrow • I will be out of town for a meeting. • You will have a sub and a worksheet. • That worksheet is worth 10 points. • Do not let your name appear on the sub’s note to me. • It is expected that you turn in the worksheet on Thursday!

  4. 1/11 Agenda • I CAN prove two triangles are congruent when given information requires geometric interpretation. • 1. Bell Ringer • 2. New Material – Quick Review/ One Example. • 3. Guided Practice – One on your own with guided questions. • 4. Independent Practice

  5. How’d it go yesterday? • Step 1: Mark/Use Given Information • Step 2: Use properties, theorems, postulates that you know to get 2 triangles to show a shortcut postulate. • Step 3: Make statement that 2 triangles are congruent by SSS, SAS, ASA or SAA • Today? Just more work in Step 2 – 2a and 2b

  6. Step 2 Broken Down • 2a – Take what’s given and translate it into new statements. • 2b – Use other geometry properties, theorems and postulates to show a shortcut.

  7. Example 1 • Given: O is the midpoint of • Prove:

  8. Example 2 P S A • Given: • Prove: Q R P S Q R Q R

  9. Guided Practice – Try with a partner • Given: XZ is the angle bisector of angle WXY • Prove: Given Given Def. of Angle Bisector Reflexive Prop. SAS

  10. Independent Practice • You now have the rest of class to practice the three proofs on the back of your page.

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