

1. 
Classify the angle below. 





A. 
right 
B. 
straight 


C. 
obtuse 
D. 
acute 


Hint 


2. 
Classify the angle below. 





A. 
straight 
B. 
obtuse 


C. 
acute 
D. 
right 


Hint 


3. 
Classify the angle whose measure is 100°. 


A. 
obtuse 
B. 
acute 


C. 
right 
D. 
straight 


Hint 


4. 
Which angle has a measure of 90°? 


A. 

B. 



C. 

D. 



Hint 


5. 
Which angle has a measure of 170°? 


A. 

B. 



C. 

D. 



Hint 


