2-7 Proving Segment Relationships (2 days).notebook

2­7 Proving Segment Relationships (2 days).notebook
Chapter 2­7: Proving Segment Relationships
Segment Addition Postulate:
September 29 and 30, 2014
"Tool Chest" (Goes right before the "Classwork" section towards the front of your binder)
Given
Statement
AB + BC = AC
Segment Proofs:
Reason
Definition of Midpoint
Segment Addition Postulate
clue
Before you begin a
proof, you always
collect all the
information you can!
1
2­7 Proving Segment Relationships (2 days).notebook
September 29 and 30, 2014
Example 1
Example 2
2
2­7 Proving Segment Relationships (2 days).notebook
Example 3
Statements Reasons
ANY HOMEWORK QUESTIONS?
September 29 and 30, 2014
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
Chapter 2­7: Proving Segment Relationships
Properties of Segment Congruence:
3
2­7 Proving Segment Relationships (2 days).notebook
Transitive Prop of Congruence:
September 29 and 30, 2014
"Tool Chest" (Goes right before the "Classwork" section towards the front of your binder)
Given
Statement
AB + BC = AC
None
None
Reason
Definition of Midpoint
Segment Addition Postulate
Reflexive Property of Congruence
Symmetric Prop. of Congruence
Transitive Prop. of Congruence
Example 1
LIST THESE!
4
2­7 Proving Segment Relationships (2 days).notebook
Example 2
September 29 and 30, 2014
Homework Assignment #22:
p. 148: #9­11 all, 15,17,23­26 all
5