Saxon Course 3 Lesson 35: Similar and Congruent Polygons

Similar polygons have . . .

• the same shape

• a different shape

• different angle measures

• same lengths of the sides

Congruent polygons have . . .

• the same shape

• a different shape

• same angle measures

• same lengths of the sides

Which symbol shows that polygons are similar?

• $=$

• $\approx$

• $\sim$

• $\cong$

Which symbol shows that polygons are congruent?

• $=$

• $\approx$

• $\sim$

• $\cong$

 $\Delta BXR\cong$  

•  $\Delta GHJ$  

•  $\Delta LNM$  

•  $\Delta JHG$  

•  $\Delta MNL$  

 $\Delta BXR\sim$  

•  $\Delta GHJ$  

•  $\Delta LMN$  

•  $\Delta JHG$  

•  $\Delta MNL$  

 $\frac{BX}{XR}=\frac{GH}{ }$  

•  $GJ$  

•  $LM$  

•  $HJ$  

•  $MN$  

 $\overline{HG}$  What is the measure of this side?

• 12

• 20

• 15 
  

• 30

 $\Delta LMN\ to\ \Delta BXR$  What is the scale factor?

• 1

• 2

• 4

• 5

 $\overline{LM}$  Find the length of the side.

• 5

• 10

• 15

• 20