Similar Triangle Theorem

State the postulate that proves these triangles are similar.

• SSS
• SAS
• AA
• Not similar

State the postulate that proves these triangles are similar.

• SSS

• AA

• SAS

• Not similar

How can you prove the triangles similar?

• AA

• SSS

• ASA

• Not enough information

From the given information, what must be true?

• ∠1 & ∠4 
  are congruent
• ∠2 & ∠3 
  are congruent
• ∠2 ≅ ∠4 
  ∠1 ≅ ∠3
• Not Enough Information

Which is not a similar triangle theorem?

• ASA∼

• SAS∼

• SSS∼

• AA∼

∆ABC~∆XYZ

which is true?

• A≅Y

• A≅X

• C≅X

• BC≅XY

How do these triangles appear to be similar?

• AA
• SAS
• SSS
• Not Similar

Complete each proportion.
CB / DM  =  AC / ?

• BM
• MA
• BC
• AD

Complete the similarity statement.
ABC ~ ___

• ZYX
• XZY
• YZX
• XYZ

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ
• ΔNOM ∼ ΔPQL
• ΔLMN ∼ ΔPQO
• ΔMLN ∼ ΔPQO