7.1-7.3 Similarity

The triangles are similar by...

• SAS
• AA
• ASA
• SSS

_{Line AB corresponds to which line on triangle XYZ?}

• AB ~ XZ

• AB ~ XY

• AB ~ YZ

• AB ~ YX

Solve for x.

• 21
• 14
• 12
• 18

Find x

• 10.5
• 5
• 8.5
• 6

 $\Delta PRQ\ \sim\ \Delta DEF$  
What is   $m\angle D$  ?

• 35

• 89

• 56

• 40

The triangles are similar. Solve for x.

• x = 20

• x = 12

• x = 5

• x = 4

Find the value of x:

• 58.3
• 1.7
• 21
• 18

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.

• 48

• 33.33

• 60

• 40

Find the similarity ratio.

• 4:1

• 1:3

• 2:1

• 7:3