Side Side Side Triangle Similarity

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

• Yes, AA

• Yes, SAS

• Yes, SSS

• Not Similar

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

• equal

• congruent

• proportional

• none of these

Complete the similarity statement: △ADB ~ _______

• △ACE
  

• △AEC

• △EAC
  

• △ECA

Select the correct proportions to solve for x (there are multiple correct answers):

Which is the correct proportion for solving for x?

Find the value of x using proportions.

• a

• b

• c

• d

Find the missing length.

• 21

• 18

• 16

• 24

When proving these triangles similar, what would you write in for the missing reason?

• Math

• Corresponding sides are proportional

• Corresponding sides are congruent

• SSS similarity postulate

Are the triangles similar?

• Yes

• No

How do these triangles appear to be similar?

• AA

• SAS

• SSS

• Not Similar