

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. 
108° 
B. 
135° 


C. 
120° 
D. 
90° 


Hint 


2. 
The sum of the measures of the angles of a regular octagon is 1080°. What is the measure of each angle? 


A. 
108° 
B. 
135° 


C. 
144° 
D. 
120° 


Hint 


3. 
What is the name of a polygon that has seven sides? 


A. 
hexagon 
B. 
nonagon 


C. 
heptagon 
D. 
octagon 


Hint 


4. 
Which of the following angle measures represents the angles of a regular polygon that can be used to make a tessellation? 


A. 
140° 
B. 
60° 


C. 
108° 
D. 
144° 


Hint 


5. 
Which of the following angle measures represents the angles of a regular polygon that can be used to make a tessellation? 


A. 
144° 
B. 
108° 


C. 
60° 
D. 
140° 


Hint 


