Congruence of Triangles

Proving if some shapes, especially triangles, are congruent is an important part of the study of geometry. This lecture series discusses the three theorems that establish the congruence of triangles.

Practice

Determine congruent triangles - Questions

1. Consider the two triangles shown below.



Note: The triangles are not drawn to scale.

Are the two triangles congruent?

Choose 1 answer:

(A) Yes

(B) No

(C) There is not enough information to say.

2. Consider the two triangles shown below.



Note: The triangles are not drawn to scale.

Are the two triangles congruent?

Choose 1 answer:

(A) Yes

(B) No

(C) There is not enough information to say.

3. Consider the two triangles shown below.



Note: The triangles are not drawn to scale.

Are the two triangles congruent?

Choose 1 answer:

(A) Yes

(B) No

(C) There is not enough information to say.

4. Consider the two triangles shown below.



Note: The triangles are not drawn to scale.

Are the two triangles congruent?

Choose 1 answer:

(A) Yes

(B) No

(C) There is not enough information to say.

5. Consider the two triangles shown below.



Note: The triangles are not drawn to scale.

Are the two triangles congruent?

Choose 1 answer:

(A) Yes

(B) No

(C) There is not enough information to say.

6. Consider the two triangles shown below.



Note: The triangles are not drawn to scale.

Are the two triangles congruent?

Choose 1 answer:

(A) Yes

(B) No

(C) There is not enough information to say.

7. Consider the two triangles shown below.


Note: The triangles are not drawn to scale.

Are the two triangles congruent?

Choose 1 answer:

(A) Yes

(B) No

(C) There is not enough information to say.