

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


A. 
heptagon 
B. 
nonagon 


C. 
decagon 
D. 
pentagon 


Hint 


2. 
Choose the best description for the figure. 





A. 
semicircle 
B. 
not a polygon 


C. 
polygon 
D. 
regular 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 2 squares 


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


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. 
135° 
B. 
1080° 


C. 
150° 
D. 
1072° 


Hint 


5. 
What is the name of a polygon that has seven sides? 


A. 
hexagon 
B. 
heptagon 


C. 
nonagon 
D. 
octagon 


Hint 


