Practice with Similarity Proofs
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Answer the following questions dealing with similar triangles.

1.

  Is triangle ABC similar to triangle ADE?

Choose:

YES  
NO

 


 

2.

As marked, by which method would it be possible to prove these triangles similar (if possible)?

  Choose:

AA  
SSS
SAS 
not similar  

 

 

3.

As marked, by which method would it be possible to prove these triangles similar (if possible)?

  Choose:

AA  
SSS
SAS 
not similar

 

 

4.

As marked, by which method would it be possible to prove these triangles similar (if possible)?

  Choose:

AA  
SSS
SAS 
not similar

 

 

5.


Proof

 





 

 

6.


Proof

 


 

 

7.

 


Proof

 




 

 

8. Prove:  Two isosceles triangles are similar if the vertex angle of one triangle is congruent to the vertex angle of the other triangle.


Proof