Get Materials!

1. Get Materials!

2. Get Materials! 01 57 56 55 54 53 52 51 50 49 48 47 46 45 43 42 41 40 39 38 37 36 35 34 33 32 44 30 31 29 59 14 58 27 26 25 24 23 22 21 20 19 18 17 16 28 15 13 12 11 10 09 08 07 06 05 04 03 02 00 01

3. Get Materials! 00 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00

4. Homework Answers…Questions? 52a) ABCD ~ EVOL 52b) RIGHT ~ RONGW 52c) DOG ~ ACT GDO ~ TAC ODG ~ CAT

5. Triangle Similarity Theorems What are we doing today? How to prove whether triangles are similar or not using a flowchart Why are we learning it? To learn to think and develop logicalproofs and arguments

6. Remember this? • Arrow Diagrams show the logical flow of an argument What is true or given  conclusion “IF” “THEN”

7. 3.2.2 Classwork pg 157 53) Read and answer the questions with your partner.

8. Notes: Parts of a Flowchart Facts/ given info Facts/ given info Facts/ given info Arrows point at conclusion Conclusion/What I want to prove Theorem/reason

9. Back to Classwork. Close the book. 54a) What theorem would you use to see if these triangles are similar?

10. Using the flowcharts! 54b) Create a flowchart to prove the triangles are similar.

11. 55a) Are the triangles similar? Justify using a flowchart. 55b) What is How do you know?

12. Finding Mistakes. Open to pg 159 56a) 56b)

13. One more together. 57a) Draw these triangles.

14. 57bc)

15. Homework • Textbook pg 160-161 # 59 & 62 • Show work for 59. • Use complete sentences for 62.

16. Practice in Pairs • Complete the 3.2.2 worksheet with you partner. • You must show work to get credit. • When finished, staple the worksheet to the rest of your classwork and turn in in to the bin.