Proportions and Similar Figures

What is a proportion?

• When two ratios can be simplified
• When two ratios are equivalent and show the same value
• When two ratios have the exact same numbers
• When two ratios can be multiplied by 2

Tags

CCSS.7.RP.A.2

Matching sides are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Sides

Tags

CCSS.HSG.SRT.B.5

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

Sides in similar figures must be proportional.  

• True
• False 

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

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

• Congruent
• Vertical
• Similar
• Complementary 

Tags

CCSS.HSG.SRT.B.5

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

 $\frac{x}{5}=\frac{8}{10}$  

• x=7

• x=4

• x=2

• x=3

Tags

CCSS.7.RP.A.2

CCSS.7.EE.B.4

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

 $\frac{25}{1}=\frac{x}{3}$  

• x=75

• x=50

• x=27

• x=43

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.EE.B.4

 $\frac{15}{25}=\frac{18}{x}$  

• x=28

• x=10

• x=30

• x=11

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.EE.B.4

CCSS.7.EE.B.3

Which proportion is true?

• $\frac{6}{2.5}=\frac{x}{21}$

• $\frac{6}{2.5}=\frac{21}{x}$

• $\frac{6}{21}=\frac{x}{2.5}$

• $\frac{6}{x}=\frac{2.5}{21}$

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.EE.B.4

What is the constant of proportionality?

• $3
• $4
• $2
• $9

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

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

• x = 10
• x = 4
• x = 2
• x = 5

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.G.A.1