

1. 
Classify the angle below. 





A. 
acute 
B. 
straight 


C. 
right 
D. 
obtuse 


Hint 


2. 
Classify the angle whose measure is 100°. 


A. 
obtuse 
B. 
right 


C. 
acute 
D. 
straight 


Hint 


3. 
At what time will the hands of a clock be closest to forming a straight angle? 


A. 
10:10 
B. 
7:45 


C. 
1:30 
D. 
9:15 


Hint 


4. 
Classify the angle below. 





A. 
acute 
B. 
right 


C. 
straight 
D. 
obtuse 


Hint 


5. 
Which angle has a measure of 90°? 


A. 

B. 



C. 

D. 



Hint 


