

1. 
Classify the angle below. 





A. 
obtuse 
B. 
straight 


C. 
acute 
D. 
right 


Hint 


2. 
Classify the angle below. 





A. 
straight 
B. 
acute 


C. 
right 
D. 
obtuse 


Hint 


3. 
Classify the angle whose measure is 100°. 


A. 
acute 
B. 
straight 


C. 
obtuse 
D. 
right 


Hint 


4. 
Which angle has a measure of 128°? 


A. 

B. 



C. 

D. 



Hint 


5. 
Which angle has a measure of 170°? 


A. 

B. 



C. 

D. 



Hint 


