Similarity in Triangles

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

• Yes, AA

• Yes, SAS

• Yes, 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

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. 

• 16

• 8

• 10

• 14

Find the missing length.

• 21

• 18

• 16

• 24

Tell whether the triangles are similar or not.

• a

• b

Tell whether the triangles are similar or not.

• a

• b

Find the missing side using proportions.

• a

• b

• c

• d

Find the value of x using proportions.

• a

• b

• c

• d

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

• Yes, SSS

• Not Similar

• Yes, SAS

• Yes, AA