Similarity in Triangles SSS SAS AA

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

• Yes, SSS

• Yes, AA

• Yes, SAS

• Not similar

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

• Yes, AA

• Yes, SAS

• Yes, SSS

• Not Similar

Find the missing length indicated.

• 30

• 25

• 45

• 50

Find the missing length indicated. 

• 16

• 8

• 10

• 14

Tell whether the triangles are similar or not.

• a

• b

State if the triangles in each pair are similar. If so, state how you know they are similar.

• Yes, AA Similarity

• Yes, SSS Similarity

• Yes, SAS Similarity

• Not Similar

State if the triangles in each pair are similar. If so, state how you know they are similar.

• Yes, AA Similarity

• Yes, SSS Similarity

• Yes, SAS Similarity

• Not Similar

Pick the correct Similarity Statement for the Triangles shown.

• ΔCAB ~ ΔDEF

• ΔABC ~ ΔDFE

• ΔABC ~ ΔDEF

• ΔBCA ~ ΔDEF

Select ANY correct proportion that can be used to solve for x.

State if the triangles in each pair are similar. If so, state how you know they are similar.

• Yes, AA Similarity

• Yes, SSS Similarity

• Yes, SAS Similarity

• Not Similar