

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


A. 
decagon 
B. 
heptagon 


C. 
pentagon 
D. 
nonagon 


Hint 


2. 
What is the name of a polygon that has five sides? 


A. 
decagon 
B. 
nonagon 


C. 
heptagon 
D. 
pentagon 


Hint 


3. 
The sum of the measures of the angles of a regular octagon is 1,080°. Find the measure of one of its angles. 


A. 
120° 
B. 
135° 


C. 
90° 
D. 
108° 


Hint 


4. 
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 


5. 
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. 
4 octagons and 1 square 
D. 
1 octagon and 4 squares 


Hint 


