Difficult Similar Figures

The pair of figures is similar. Find the missing side.

• x = 10

• x = 4

• x = 2

• x = 5

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.

These two triangles are similar to each other. What is measure is angle Y?

Mathematical Equivalence

ON

True or False: These two triangles are NOT similar.

• True

• False

Figure ABCDE is similar to figure VWXYZ. Which proportion must be true?

• 
• 
• 
• 

• A

• B

• C

• D

Figure ABCDE is similar to figure VWXYZ.

Figure JKLM is similar to figure PQRS.

Which proportion must be true for

these figures?

• 
• 
• 
• 

4m 5m 3m 4.5m

• 4m

• 5m

• 3m

• 4.5m

• 4m
• 5m
• 3m
• 4.5m