

1. 
Find the circumference of the circle. Use for . 





A. 
66 mm 
B. 
21 mm 


C. 
126 mm 
D. 
132 mm 


Hint 


2. 
Laura is painting a round floor cloth to resemble a globe for her bedroom floor. She wants to sew seam binding around the edges to keep the cloth from unraveling. If the radius of the cloth is 3 yards, how much binding should she buy? 


A. 
29 yd 
B. 
24 yd 


C. 
19 yd 
D. 
10 yd 


Hint 


3. 
Find the circumference of a circle with diameter . Use . 


A. 

B. 



C. 

D. 



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. 
33 in. 


C. 
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. 
44 inches 


C. 
22 inches 
D. 
154 inches 


Hint 


