### 4.2 – Apply Congruence and Triangles

```4.2 – Apply Congruence and Triangles
What makes a geometric figure congruent?
4.2 – Apply Congruence and Triangles
In two congruent figures, all the parts of one
figure are congruent to the corresponding
parts of the other figure.
4.2 – Apply Congruence and Triangles
Congruence Statements
When you write a congruence statement for
two polygons, always list the corresponding
vertices in the same order.
4.2 – Apply Congruence and Triangles
Example 1:
Write a congruence statement for the triangles.
Identify all pairs of congruent corresponding
parts.
4.2 – Apply Congruence and Triangles
Example 2:
Write a congruence statement for the triangles.
Identify all pairs of congruent corresponding
parts.
4.2 – Apply Congruence and Triangles
Example 3:
In the diagram,
a. Find the value of x.
b. Find the value of y.
4.2 – Apply Congruence and Triangles
Example 4:
If you divide the wall into orange and blue
sections along segment JK, will the
sections of the wall be the same size and
shape? Explain.
4.2 – Apply Congruence and Triangles
4.2 – Apply Congruence and Triangles
Example 5:
Find m<BDC.
4.2 – Apply Congruence and Triangles
4.2 – Apply Congruence and Triangles
4.2 – Apply Congruence and Triangles
4.2 – Apply Congruence and Triangles
```