

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. 
135° 
B. 
108° 


C. 
90° 
D. 
120° 


Hint 


2. 
In a tessellations with squares and regular triangles, two squares touch each vertex. How many triangles touch each vertex? 


A. 
3 
B. 
4 


C. 
1 
D. 
2 


Hint 


3. 
Which puzzle piece will tessellate? 


A. 

B. 



C. 

D. 



Hint 


4. 
In the tessellation below, name the polygons and determine how many of each type are at each vertex. 


A. 
six triangles 


B. 
two triangles and two hexagons 


C. 
one hexagon and four triangles 


D. 
none of the other choices; different vertices have different polygons forming them 


Hint 


5. 
Which figure will tessellate? 


A. 

B. 



C. 

D. 



Hint 


