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Get Materials!. 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.

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52a) ABCD ~ EVOL

52b) RIGHT ~ RONGW

52c) DOG ~ ACT

GDO ~ TAC

ODG ~ CAT

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

Remember this?

• Arrow Diagrams show the logical flow of an argument

What is true or given  conclusion

“IF”“THEN”

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

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?

56a)

56b)

One more together.

57a) Draw these triangles.

57bc)

Homework

• Textbook pg 160-161 # 59 & 62

• Show work for 59.

• Use complete sentences for 62.

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.