Similar Triangles and Similarity

State the postulate that proves these triangles are similar.

• AA~

• SAS~

• SSS~

• Not Similar

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

• Yes, AA

• Yes, SAS

• Yes, SSS

• Not Similar

The triangles are similar by...

• SAS

• AA

• ASA

• SSS

The triangles are similar by...

• SAS

• AAS

• ASA

• SSS

Are these triangles similar?
Known angles in Triangle 1:  40⁰,60⁰
Known angles in Triangle 2:  60⁰,40⁰

• Yes

• No

• There is not enough information to decide.

Determine whether the triangles are similar or not. If so, state how they are similar.

• Yes, by AA Similarity

• Yes, by SAS Similarity

• Yes, by SSS Similarity

• No, not similar

Determine whether the triangles are similar or not. If so, state how they are similar.

• Yes, by AA Similarity

• Yes, by SAS Similarity

• Yes, by SSS Similarity

• No, not similar

The triangles are similar by...

• SAS

• AA

• ASA

• SSS

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Why are the triangles similar?

• AA

• SAS

• SSS

• AAS