1. 2.4 Postulates September 07, 2012
State which postulate justifies each statement.
B
E
L
L
W
O
R
K
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HW pg. 99 #4­24 evens 1

2. 2.4 Postulates September 07, 2012
2.4 Postulates and Diagrams
A B C D
Given: AB ≅ CD
What conclusion can you make about AC and BD?
Reflexive Property
BC ≅ BC
Segment Addition Postulate
A B C
If B is between A & C, then AB + BC = AC
If AB = 23 & BC = 11, then AC = ?
Angle Addition Postulate
If R is in the interior of ∠ PQS, the m∠PQR + m∠RQS = m∠PQS.
If PQR = 33 & RQS = 44, then PQS = ? P
R
Q
S
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HW pg. 99 #4­24 evens 2

3. 2.4 Postulates September 07, 2012
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HW pg. 99 #4­24 evens 3

4. 2.4 Postulates September 07, 2012
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HW pg. 99 #4­24 evens 4

5. 2.4 Postulates September 07, 2012
Pg 99
#4-24
evens
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HW pg. 99 #4­24 evens 5