Unit 2 Review

Triangle ABC is similar to Triangle DEF. Choose the proportions that are true.

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CCSS.HSG.SRT.A.2

Triangle ABC is similar to Triangle DEF. Choose the proportions that are true.

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CCSS.HSG.SRT.A.2

Two figures are similar.Fill in the missing part of the proportion.

 $\frac{12}{ }=\frac{3}{2.25}$  

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CCSS.HSG.SRT.A.2

Two figures are similar.Fill in the missing part of the proportion.

 $\frac{TU}{T'U'}=\frac{WX}{ }$  

• XW

• W'X'

• TY

• T'Y'

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CCSS.HSG.SRT.A.2

Two figures are similar.Fill in the missing part of the proportion.

 $\frac{2.25}{9}=\frac{3}{ }$  

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CCSS.HSG.SRT.A.2

Two figures are similar.Fill in the missing part of the proportion.

 $\frac{ }{3}=\frac{9}{12}$  

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CCSS.HSG.SRT.A.2

Choose the proportions that are true. There are 2. Be careful!

•  $\frac{AB}{AW}=\frac{AC}{AX}$  

•  $\frac{WX}{AX}=\frac{BC}{AB}$  

•  $\frac{AX}{WX}=\frac{AC}{BC}$  

•  $\frac{AB}{AC}=\frac{AC}{BC}$  

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CCSS.HSG.SRT.A.2

A dilation occurs when the side lengths of a figure are by a scale factor to create a similar figure.

• Enlargement

• Reduction

• Multiplied

• Divided

• Congruent

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CCSS.8.G.A.3

If the scale factor is less than 1, the dilation is a(n) , meaning the new figure is smaller than the original figure.

• Enlargement

• Reduction

• Multiplied

• Divided

• Congruent

Tags

CCSS.8.G.A.3

If the scale factor is greater than 1, the dilation is a(n) , meaning the new figure is larger than the original figure.

• Enlargement

• Reduction

• Multiplied

• Divided

• Congruent

Tags

CCSS.8.G.A.3