Wesley

1
SmartBoard
Door
Wesley
Christie
Cassie
Carlos
Katie
Antonyo
Marlena
Mike
Na
JW
Kim
David
Andrei
Jeff
Brittany
Chelsea
Anthony
Sara
Lydia
Brianna
Danielle
Latesha
Louis
Sochima
Vince
Geometry 217 C216 Block 5
2
Warm-up
3
Agenda

• Homework Review
• Chapter 4 Identifying Congruent Triangles
• Bring your books for Wednesday

4
4-2 Study Guide
5
4-2 Practice
6
4-2 Practice
7
4-2 Practice
8
4-2 Enrichment
m?D m?E m?F 180
m?D 3(m?D) 3(m?D) - 9 180
7(m?D) - 9 180
7(m?D) 189
m?D 27, m?E 81, m?F 72
9
4-2 Enrichment
m?R m?S m?T 180
m?R (m?R - 5) (m?R 5) 180
m?R 60, m?S 55, m?T 65
10
4-2 Enrichment
m?J m?K m?L 180
m?J 4(m?J) 5(m?J) 180
m?J 18, m?K 72, m?L 90
11
4-2 Enrichment
m?X m?Y m?Z 180
m?X 2(m?X) - 7 2(m?X) 2 180
m?X 37, m?Y 67, m?Z 76
12
4-2 Enrichment
13
4-2 Measuring Angles Review
14
4-2 Measuring Angles Review
15
4-2 Measuring Angles Review
16
4-2 Measuring Angles Review
17
4-2 Measuring Angles Review
18
4-2 Measuring Angles Review
19
4-3 Exploring Congruent Triangles
20
4-3 Exploring Congruent Triangles
DEF
21
Congruent Sides
corresponds to
22
Congruent Angles
23
Congruence Transformations
Sliding, Rotating and Flipping does not change
congruence.
24
4-3 Exploring Congruent Triangles
25
4-3 Exploring Congruent Triangles
26
4-3 Exploring Congruent Triangles
27
4-3 Exploring Congruent Triangles
W
28
Definition of Congruent Triangles
Two triangles are congruent if and only if their
corresponding parts are congruent.
CPCTC Corresponding Parts of Congruent
Triangles are Congruent
29
Answers Ahead
30
4-3 Study Guide
31
4-3 Study Guide
32
4-3 Study Guide
33
Homework

• 4-3 Study Guide Practice