Math 9
Congruent Triangles
MOM Page 202-203
3. In each pair of diagrams, ABC is congruent to DEF .
Find the values of x, y, and z.
4. In the diagram, ABC is congruent to DEF . Find each measure.
a) DE
b) B
c) EF
5. In the diagram, ABC is congruent to XYZ . Find each measure.
a) XZ
b) X
c) Y
d) B
6. Which of the triangles in the box is congruent
to each given triangle?
Lesson 3-5
7. In the diagram, is ABC congruent to PQR ? Give reasons for your answers.
8. Is each pair of triangles congruent? If they are, list the equal sides and the equal angles.
PAGE 203
10. List as many pairs of congruent triangles as you can. Explain why each pair is congruent.
11. Each diagram shows congruent triangles. Find the values of x and y.
Journeys Pages 254-255
1. Use the following diagrams to answer the questions below.
3. Write the pairs of corresponding congruent angles and corresponding congruent sides in
the triangles that are congruent. Then write the congruency statement.
4. What other pair of corresponding sides or angles must be congruent for the triangles to be
congruent?
PAGE 254
1. Write all pairs of corresponding congruent angles and corresponding congruent sides.
Then write the congruency statement.
PAGE 255
5. Write all pairs of corresponding congruent angles and corresponding congruent sides. Then
write the congruency statement.