

1. 
Angles A and B are supplementary. If = 45°, find . 


A. 
90° 
B. 
135° 


C. 
75° 
D. 
45° 


Hint 


2. 
Angles A and B are complementary. If mA = 25°, what is mB? 


A. 
90° 
B. 
65° 


C. 
25° 
D. 
75° 


Hint 


3. 
Classify the pair of angles below. 





A. 
both 
B. 
neither 


C. 
supplementary 
D. 
complementary 


Hint 


4. 
Find the value of x in the figure. 





A. 
23° 
B. 
32° 


C. 
148° 
D. 
58° 


Hint 


5. 
The county engineer is designing a new road to cross existing Oak Boulevard as shown in the diagram. What is the missing angle measure? 





A. 
15° 
B. 
41° 


C. 
51° 
D. 
39° 


Hint 


