IM2 Unit 6 Review

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

• Yes, SSS

• Yes, SAS

• Yes, AA

• Not similar.

Find the missing length indicated.

Write down your work.

• 30

• 25

• 45

• 50

Solve for x.

• 45

• 9

• 5

• 15

Tell whether the triangles are similar or not.

• Yes, AA

• Yes, SAS

• Yes, SSS

• Not similar

Find the missing length indicated.

Write down your work.

• 6

• 10

• 5

• 12

Solve for x

• 20.8
• 63.7
• 27.3
• 21.4

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

• Yes, AA

• Yes, SAS

• Yes, SSS

• Not Similar

Complete each proportion.
AB / BM  =  ? / CD

• BC
• AC
• MD
• MC

Find the missing length indicated.

• 3

• 12

• 8

• 2

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

• Yes, AA

• Yes, SAS

• Yes, SSS

• Not Similar