Similar Figures and Proportions

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

Review the picture. Find the missing side measurement in the picture using a proportion.

• x = 900 m

• x = 52 m

• x = 25 m

• x = 0.04 m

Find missing side

• 5

• 7

• 9

• 11

Solve for f.

• 6

• 4

• 3

• 8

Which proportion must be true?

• A

• B

• C

• D

• A
• B
• C
• D

Tell whether the two figures are similar. Explain your reasoning. (Hint: are they proportional?)

• Yes, similar because they are the same shape and side lengths are proportional.

• No, not similar because they are the same shape, but side lengths are not proportional.

• Yes, same shape

• No, different sizes

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

A rectangular garden is 45 ft wide and 70 ft long. On a blueprint, the width is 9 in. Identify the length on the blueprint. 

• 7 in

• 9 in

• 12 in

• 14 in