1. Which triangles could not be similar to triangleABC
?

Select each correct answer.

* 


* 





* 





* 





2. Item 2
Triangle ABC
 is similar to
triangle DEF
.  
Which statement is a proportionality statement for the ratio of the sides of the triangles?
 

* 
AB
DE

=BC
EF

=AC
DF






AC
DE
 
=BC
EF

=AB
FD






AB
ED

=BC
DF 

=AC
EF






AB
DE

=AC
FE

=BC
D F






3. Which pairs of rectangles are similar polygons?
Select each correct answer.

* 


* 





* 





* 





4. ABC
 is similar to
△PQR
. Also, angle A measures 35° and angle B measures 50°.

What is the measure of angle R?
 
Enter your answer in the box.

the measure of angle R

5. Item 5
△ABC
△
A
B
C
 is similar to
△QRS
△
Q
R
S
. Also, 
sideAB
measures 50 cm,
sideAC
measures 60 cm, and 
sideQS
measures 6 cm.

What is the measure of
sideQR
?
 
Enter your answer in the box.

the measure of side QR