

1. 
The sum of the measures of the angles of a regular octagon is 1080°. What is the measure of each angle? 


A. 
108° 
B. 
144° 


C. 
120° 
D. 
135° 


Hint 


2. 
Which puzzle piece will tessellate? 


A. 

B. 



C. 

D. 



Hint 


3. 
The sum of the angle measures of a regular dodecagon (a 12sided polygon) is 1800°. What is the measure of each angle of a regular dodecagon? 


A. 
144° 
B. 
140° 


C. 
100° 
D. 
150° 


Hint 


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


A. 
one hexagon and four triangles 


B. 
six triangles 


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


D. 
two triangles and two hexagons 


Hint 


5. 
In the tessellation below, name the polygons and determine how many of each type are at each vertex. 


A. 
one hexagon and four triangles 


B. 
six triangles 


C. 
two triangles and two hexagons 


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


Hint 


