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 logical proofs and arguments
Remember this? Arrow Diagrams show the logical flow of an argument What is true or given conclusion IFTHEN
3.2.2 Classwork pg ) Read and answer the questions with your partner.
Notes: Parts of a Flowchart Facts/ given info Conclusion/What I want to prove Arrows point at conclusion Theorem/reason
Back to Classwork. Close the book. 54a) What theorem would you use to see if these triangles are similar?
Using the flowcharts! 54b) Create a flowchart to prove the triangles are similar.
55a) Are the triangles similar? Justify using a flowchart. 55b) What is How do you know?
Finding Mistakes. Open to pg a) 56b)
One more together. 57a) Draw these triangles.
Homework Textbook pg # 59 & 62 Show work for 59. Use complete sentences for 62.
Practice in Pairs Complete the 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.