Prove Triangles Are Similar

• similar by SSS~

• ΔQNP

• similar by AA~

• similar by SAS~

• not similar

• ΔPNQ

• ΔNPQ

• ΔNQP

• none of these

• not similar~

• none of these

• similar by AA~

• similar by SAS~

• ΔBCD

• ΔBDC

• ΔCBD

• ΔDCB

• ΔDBC

• ΔCDB

Which of the following is NOT a method to prove that two triangles are similar?

• AA criterion

• SAS criterion

• SSS criterion

• AAA criterion

• similar by SSS~

• none of these

• similar by AA~

• similar by SAS~

• not similar

• ΔXWT

• ΔXTW

• ΔWXT

• ΔWTX

• ΔTXW

How do these triangles appear to be similar?

• AA

• SAS

• SSS

• Not Similar

How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

Are the triangles similar?

• Yes

• No

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• none of these