

1. 
Choose the best description for the figure. 





A. 
not a polygon 
B. 
polygon 


C. 
regular polygon 
D. 
semicircle 


Hint 


2. 
Which of the following figures is not a hexagon? 


A. 

B. 



C. 

D. 



Hint 


3. 
By drawing triangles, you can find that all of the measures of the angles in an octagon add up to 1080°. Find the measure of one angle in a regular octagon. 


A. 
135° 
B. 
150° 


C. 
1080° 
D. 
1072° 


Hint 


4. 
Which of the following angle measures represents the angles of a regular polygon that can be used to make a tessellation? 


A. 
120° 
B. 
140° 


C. 
150° 
D. 
108° 


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. 
147° 
B. 
90° 


C. 
150° 
D. 
144° 


Hint 


