Similar Figures Ratios

Find y.

• 144

• 18

• 72

• 12

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

• x = 12

• x = 3

• x = 40

• x = 4

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Solve for x 

• x = 1/10

• x = 10

• x = 4

• x = 5

Are the two figures similar? (check all ratios to see if they are equal)

• yes

• no

Figure 1 and Figure 2 are similar and have the measurements shown in units.

Based on the figures, which proportion is true?

• 
• 
• 
• 

• A

• B

• C

• D

Find the ratio (blue to red) of the area.

• 4/7

• 7/4

• 49/16

• 16/49

• A
• B
• C
• D

Which proportion must be true?

• A

• B

• C

• D