

1. 
Which of the following statements does not necessarily describe a polygon? 


A. 
lines do not intersect 
B. 
closed 


C. 
consists of 3 or more line segments 
D. 
symmetrical 


Hint 


2. 
Choose the best description for the figure. 





A. 
not a polygon 
B. 
regular polygon 


C. 
semicircle 
D. 
polygon 


Hint 


3. 
The sum of the measures of the angles of a regular octagon is 1080°. What is the measure of each angle? 


A. 
135° 
B. 
120° 


C. 
144° 
D. 
108° 


Hint 


4. 
In a tessellations with squares and regular triangles, two squares touch each vertex. How many triangles touch each vertex? 


A. 
2 
B. 
3 


C. 
1 
D. 
4 


Hint 


5. 
In a tessellations with squares and regular triangles, two squares touch each vertex. How many triangles touch each vertex? 


A. 
3 
B. 
1 


C. 
4 
D. 
2 


Hint 


