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27 Proving Segment Relationships (2 days).notebook 1 September 29 and 30, 2014 Chapter 27: Proving Segment Relationships Segment Addition Postulate: Given Statement Reason Definition of Midpoint AB + BC = AC Segment Addition Postulate "Tool Chest" (Goes right before the "Classwork" section towards the front of your binder) Segment Proofs: Before you begin a proof, you always collect all the information you can! clue

2-7 Proving Segment Relationships (2 days).notebook · 27 Proving Segment Relationships (2 days).notebook 3 September 29 and 30, 2014 Example 3 Statements Reasons Homework Assignment

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2­7 Proving Segment Relationships (2 days).notebook

1

September 29 and 30, 2014

Chapter 2­7: Proving Segment Relationships

Segment Addition Postulate: Given Statement ReasonDefinition of Midpoint

AB + BC = AC Segment Addition Postulate

"Tool Chest" (Goes right before the "Classwork" section towards the front of your binder)

Segment Proofs:

Before you begin a proof, you always collect all the information you can!

   clue

2­7 Proving Segment Relationships (2 days).notebook

2

September 29 and 30, 2014

Example 1

Example 2

2­7 Proving Segment Relationships (2 days).notebook

3

September 29 and 30, 2014

Example 3Statements   Reasons

Homework Assignment #21:p. 147: #4,5,14 (use your compass­ go back and check the notes on copying line segments, or go to the Construction link on my website and refresh yourself on how to properly copy a line segment!), 21, 31­36 all

ANY HOMEWORK QUESTIONS? Chapter 2­7: Proving Segment Relationships

Properties of Segment Congruence:

2­7 Proving Segment Relationships (2 days).notebook

4

September 29 and 30, 2014

Transitive Prop of Congruence:

Given Statement ReasonDefinition of Midpoint

AB + BC = AC Segment Addition Postulate

None Reflexive Property of Congruence

None Symmetric Prop. of Congruence

Transitive Prop. of Congruence

"Tool Chest" (Goes right before the "Classwork" section towards the front of your binder)

LIST THESE!

Example 1

2­7 Proving Segment Relationships (2 days).notebook

5

September 29 and 30, 2014

Example 2 Homework Assignment #22:p. 148: #9­11 all, 15,17,23­26 all