

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


A. 
90° 
B. 
108° 


C. 
120° 
D. 
135° 


Hint 


2. 
In the tessellation shown below, name the polygons and determine how many of each type are at each vertex. 





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


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


Hint 


3. 
Which puzzle piece will tessellate? 


A. 

B. 



C. 

D. 



Hint 


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


A. 
140° 
B. 
120° 


C. 
108° 
D. 
150° 


Hint 


5. 
Which of the following angle measures represents the angles of a regular polygon that can be used to make a tessellation? 


A. 
60° 
B. 
144° 


C. 
140° 
D. 
108° 


Hint 


