

1. 
Classify the angle whose measure is 100°. 


A. 
acute 
B. 
right 


C. 
straight 
D. 
obtuse 


Hint 


2. 
At what time will the hands of a clock be closest to forming a straight angle? 


A. 
1:30 
B. 
10:10 


C. 
7:45 
D. 
9:15 


Hint 


3. 
Classify the angle below. 





A. 
acute 
B. 
obtuse 


C. 
straight 
D. 
right 


Hint 


4. 
Classify the angle below. 





A. 
straight 
B. 
right 


C. 
obtuse 
D. 
acute 


Hint 


5. 
Which angle has a measure of 90°? 


A. 

B. 



C. 

D. 



Hint 


