

1. 
Find the area of a circle with a diameter of 42 inches. Round to the nearest tenth. 


A. 
2770.9 cm^{2} 
B. 
1809.6 cm^{2} 


C. 
1385.4 cm^{2} 
D. 
5541.8 cm^{2} 


Hint 


2. 
Find the area of the shaded region to the nearest tenth. 





A. 
3,377.2 m^{2} 
B. 
844.3 m^{2} 


C. 
615.8 m^{2} 
D. 
1,963.5 m^{2} 


Hint 


3. 
The Carillo family has a circular swimming pool with a diameter of 15 feet. Find the area of the pool cover to the nearest tenth. 


A. 
94 ft^{2} 
B. 
706.9 ft^{2} 


C. 
353.4 ft^{2} 
D. 
176.7 ft^{2} 


Hint 


4. 
Find the area of the shaded region to the nearest tenth. 





A. 
3.1 mi^{2} 
B. 
19.6 mi^{2} 


C. 
38.4 mi^{2} 
D. 
35.5 mi^{2} 


Hint 


5. 
Find the length of the diameter of a circle with area 523 cm^{2} to the nearest tenth. 


A. 
12.9 cm 
B. 
51.6 cm 


C. 
25.8 cm 
D. 
7.3 cm 


Hint 


