Practice with
Proofs Involving Congruent Triangles

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Write a formal proof for the following problems.

(Please Note:  The proofs presented as answers will show only ONE possible solution to each problem.  Keep in mind that there is often more than one way to solve a problem and more than one manner of presentation.  Two-column proofs will be presented here.)

1.

Proof

 

 

2.

Proof

 

 

3.

Proof

 

 

4.

Proof

 

 

5.

Proof

 

 

6.

Proof

 

 

7.

Proof

 

 

8.

Proof

 

 

9.

Proof

 

 

10.

Given:  

 Which method can NOT be used to prove:

Choose:

SSS
SAS
AAS
HL