1. Congruence Congruent () figures have the same size and shape.
Congruent Polygon – corresponding sides and angles are all congruent

2. ∆ABC  ∆YXZ ∆BAC  ∆XYZ  A  Y B  X  C  Z  A B C Y X Z
Corresponding Angles
Corresponding Sides 
A  Y
B  X 
C  Z 

3.  A  M B  N  C  O   D  P
Identify corresponding sides and corresponding
angles of the congruent polygons.
Corresponding Angles
Corresponding Sides 
A  M
B  N 
C  O  
D  P

4. Are the triangles congruent? If so, write a congruence statement.
1. Are corresponding angles congruent?
Yes
2. Are corresponding sides congruent?
Yes
Yes, they are congruent.
∆PMN 
∆SRT

5. Are the quadrilaterals congruent? If so, write a congruence statement.
1. Are corresponding angles congruent?
Yes
2. Are corresponding sides congruent?
Yes
Yes, they are congruent.
CFED 
LMJK

6. Are the triangles congruent? If so, write a congruence statement.
1. Are corresponding angles congruent?
Yes
2. Are corresponding sides congruent? No
No, they are not congruent.