

1. 
Find the circumference of a circle with a diameter of feet. Use . 


A. 
feet 
B. 
feet 


C. 
feet 
D. 
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. 
18 feet 
B. 
16 feet 


C. 
19 feet 
D. 
17 feet 


Hint 


3. 
Find the circumference of the circle. Use for . 





A. 
66 mm 
B. 
126 mm 


C. 
21 mm 
D. 
132 mm 


Hint 


4. 
Sara's mother, Shenequa, is making Sara a cake for her birthday. She wants to put a border of blue icing around the cake. How long does it need to be if the cake has a radius of in.? Use . 





A. 
in. 
B. 
in. 


C. 
15 in. 
D. 
33 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. 
34.14 mm 
B. 
3019.07 mm 


C. 
194.78 mm 
D. 
97.39 mm 


Hint 


