

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


A. 
feet 
B. 
feet 


C. 
feet 
D. 
feet 


Hint 


2. 
Find the circumference of the circle. Use for . 





A. 
21 mm 
B. 
66 mm 


C. 
132 mm 
D. 
126 mm 


Hint 


3. 
Find the circumference of a cookie with a diameter of in. Use . 


A. 
in. 
B. 
in. 


C. 
in. 
D. 
in. 


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. 
15 in. 
B. 
in. 


C. 
33 in. 
D. 
in. 


Hint 


5. 
Aisha and McKinley are building a robot. It has wheels that have a radius of 7 inches. They need to know the distance the robot will travel for each revolution of the wheels. How far is this distance? 


A. 
17 inches 
B. 
22 inches 


C. 
154 inches 
D. 
44 inches 


Hint 


