

1. 
The diameter of a child's circular wading pool is feet. What is the circumference of the pool? Use . 


A. 
feet 
B. 
feet 


C. 
feet 
D. 
3 feet 


Hint 


2. 
Mrs. Torres wants to put up a fence around her circular flower garden. How much fencing should she buy? Round your answer to the nearest foot. 





A. 
17 feet 
B. 
16 feet 


C. 
18 feet 
D. 
19 feet 


Hint 


3. 
Find the circumference of a circle whose radius is 1.25 yards. Use the key on a calculator. Round to the nearest tenth. 


A. 
6.4 yd 
B. 
7.9 yd 


C. 
4.8 yd 
D. 
3.9 yd 


Hint 


4. 
Find the circumference of a cookie with a diameter of in. Use . 


A. 
in. 
B. 
in. 


C. 
in. 
D. 
in. 


Hint 


5. 
Find the circumference of a circle whose radius is 31 mm. Use the key on a calculator and round your answer to the nearest hundredth. 


A. 
97.39 mm 
B. 
34.14 mm 


C. 
3019.07 mm 
D. 
194.78 mm 


Hint 


