

1. 
What is the name of a polygon that has five sides? 


A. 
decagon 
B. 
nonagon 


C. 
heptagon 
D. 
pentagon 


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. 
135° 
B. 
120° 


C. 
90° 
D. 
108° 


Hint 


3. 
Which of the following angle measures represent the angles of a regular polygon that can be used to make a tessellation? 


A. 
90° 
B. 
135° 


C. 
144° 
D. 
150° 


Hint 


4. 
Choose the best description for the picture. 





A. 
regular octagon 
B. 
octagon 


C. 
regular hexagon 
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. 
150° 


C. 
147° 
D. 
144° 


Hint 


