Unit 9 Review

Solve for x.

• 25
• 10
• -10
• -25

Find the missing length indicated.

• 30
• 25
• 45
• 50

Solve for x.

• 5

• 10

• 3

• 8

Find the missing length.

• 15

• 11

• 35

• 8

Are the following similar? Why or why not?

• Yes
• No, the corresponding angles are not equal.
• No, the ratios of the corresponding sides are not equal.

The two parallelograms above are similar.
What is the length in inches of line segment PQ?

• 40 in.
• 34 in.
• 38 in.
• 14 in.

Figure A is reduced to Figure B. Find the scale factor.

• 4

• 1/4

• 3

• 1/3

State the postulate that proves these triangles are similar.

• SSS
• AA
• SAS
• Not similar

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

• AA
• SAS
• SSS
• Not Similar

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ
• ΔNOM ∼ ΔPQL
• ΔLMN ∼ ΔPQO
• ΔMLN ∼ ΔPQO