Proving Triangle Similarity by AA

Are the triangles similar?

• Yes

• No

• Cannot be determined

Choose the correct similarity statement for the triangles.

• None of these

Are the triangles similar?

• Yes

• No

• Cannot be determined

Are these triangles similar?

• No, they are not similar

• Not Enough Information 

• Yes, similar by AA~ 

Are these two triangles similar? Which similarity criterion do you use to prove it?

• Yes, SSS

• Not Similar

• Yes, SAS

• Yes, AA

What reasons complete the proof?

• Given, AA Similarity Postulate

• Vertical Angle Theorem, AA Similarity Postulate

• Reflexive Property, SAS Similarity Postulate

• Definition of Angle Bisector, SSS Similarity Postulate

Choose the correct similarity statement for the triangles.

• None of these

• The triangles cannot be proven similar.