This document outlines lessons on identifying identical triangles from a geometry textbook. It discusses the five conditions for triangles to be identical: 1) three sides, 2) two sides and an included angle, 3) two angles and an included side, 4) two angles and a non-included side, and 5) two sides and a non-included angle of 90 degrees or greater. It provides examples and explanations of properties like vertical angles being equal and shared sides being congruent. The lessons cover identifying identical triangles using various angle and side criteria.

1. Module 6 Lessons 13 and 14.notebook
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Module 6 Lesson 13
Checking for Identical Triangles
Homework:
1.) Lesson 13
Problem Set 1-4
2.) Lesson 14
Problem Set 1-4
Do Now
Go to page 69 in Module 6

2. Module 6 Lessons 13 and 14.notebook
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S.69
1.) Three Sides Condition
2.) Two Sides and an Included Angle
Condition
3.) Two Angles and an Included Side
Condition
4.) Two Angles and a Non­Included Side
Condition
5.) Two Sides and a Non­Included Angle
where the Angle is 900 or greater

3. Module 6 Lessons 13 and 14.notebook
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4. Module 6 Lessons 13 and 14.notebook
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SAS

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6. Module 6 Lessons 13 and 14.notebook
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5.) Two Sides and a Non­Included Angle
where the Angle is 900 or greater

8. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
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9. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
70

10. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
70

11. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
70

12. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
A
BC
X
ZY
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13. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
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14. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
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15. Module 6 Lessons 13 and 14.notebook
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Reflexive property: a shared side of two
triangles is congruent to itself. RN = RN
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.75

17. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.75

18. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.75

19. Module 6 Lessons 13 and 14.notebook
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Vertical Angles: each of the pairs of opposite
angles made by two intersecting lines.
VERTICAL ANGLES ARE EQUAL!
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20. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.76

21. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.76

22. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.76

23. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.77

24. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.77

25. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.77

26. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
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27. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater

28. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.78

29. Module 6 Lessons 13 and 14.notebook
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1.) Three Sides Condition
2.) Two Sides and an Included Angle Condition
3.) Two Angles and an Included Side Condition
4.) Two Angles and a Non­Included Side Condition
5.) Two Sides and a Non­Included Angle where the Angle is 900 or greater
S.78