Triangle Congruence

Write a congruence statement for the following figures. ​ $$\Delta$$ ​ (a)   $$\cong\Delta$$ ​ (b)   by ​ (c)   Triangle Congruence Theorem

Write a congruence statement and state which theorem is used to determine if the following triangles are congruent.​ (a)   $$\cong$$ ​ (b)   by ​ (c)   triangle Congruence theorem.

Write a congruence statement and state which theorem is used to determine if the following triangles are congruent.​ (a)   ​ (b)   ​ (c)   ​ (d)  

Write a congruence statement and state which theorem is used to determine if the following triangles are congruent. Δ​ ​ ≅Δ​ by ​ triangle congruence Theorem.

Write a congruence statement and state which theorem is used to determine if the following triangles are congruent.

Write a congruence statement and state which theorem is used to determine if the following triangles are congruent.

Complete the proof.

Complete the Proof.

1. ​ (a)  

2. ​ (b)  

3. ​ (c)  

4. ​ (d)   Triangle Congruence Theorem

In this figure, . Which side must have the same length as ?

In the figure, $$\Delta ABC\ \cong\ \Delta DEF$$ . What is the value of $$X$$ ?