

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


A. 
pentagon 
B. 
heptagon 


C. 
decagon 
D. 
nonagon 


Hint 


2. 
Choose the best description for the figure. 





A. 
regular polygon 
B. 
not a polygon 


C. 
semicircle 
D. 
polygon 


Hint 


3. 
In the tessellation shown below, name the polygons and determine how many of each type are at each vertex. 





A. 
2 octagons and 1 square 
B. 
1 octagon and 4 squares 


C. 
4 octagons and 1 square 
D. 
1 octagon and 2 squares 


Hint 


4. 
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. 
150° 
B. 
1080° 


C. 
135° 
D. 
1072° 


Hint 


5. 
Which figure will tessellate? 


A. 

B. 



C. 

D. 



Hint 


