

1. 
Classify the angle whose measure is 100°. 


A. 
obtuse 
B. 
acute 


C. 
straight 
D. 
right 


Hint 


2. 
Classify the angle below. 





A. 
straight 
B. 
obtuse 


C. 
right 
D. 
acute 


Hint 


3. 
Which angle has a measure of 90°? 


A. 

B. 



C. 

D. 



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 


