

1. 
In the figure, °. Find 





A. 
90° 
B. 
45° 


C. 
30° 
D. 
120° 


Hint 


2. 
Classify the angle whose measure is 100°. 


A. 
obtuse 
B. 
acute 


C. 
straight 
D. 
right 


Hint 


3. 
Find the sum of the measures of the interior angles of the polygon. 





A. 
360° 
B. 
720° 


C. 
1080° 
D. 
540° 


Hint 


4. 
Find the 30° angle. 


A. 

B. 



C. 

D. 



Hint 


5. 
Find the sum of the measures of the interior angles of this polygon. 





A. 
540° 
B. 
360° 


C. 
900° 
D. 
180° 


Hint 

