

1. 
Which of the following figures is not a hexagon? 


A. 

B. 



C. 

D. 



Hint 


2. 
The sum of the measures of the angles of a regular octagon is 1,080°. Find the measure of one of its angles. 


A. 
120° 
B. 
135° 


C. 
90° 
D. 
108° 


Hint 


3. 
Which puzzle piece will tessellate? 


A. 

B. 



C. 

D. 



Hint 


4. 
What is the name of a polygon that has seven sides? 


A. 
octagon 
B. 
nonagon 


C. 
heptagon 
D. 
hexagon 


Hint 


5. 
The sum of the angle measures of a regular hendecagon (an 11sided polygon) is 1620°. What is the measure of each of the angles of the hendecagon? Round your answer to the nearest whole degree. 


A. 
90° 
B. 
147° 


C. 
144° 
D. 
150° 


Hint 


