

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


A. 
4.8 yd 
B. 
6.4 yd 


C. 
7.9 yd 
D. 
3.9 yd 


Hint 


3. 
Pizzas are sold according to the length of their diameters. What is the circumference of a 14inch pizza? 


A. 
22 in. 
B. 
28 in. 


C. 
44 in. 
D. 
88 in. 


Hint 


4. 
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. 
19 yd 
B. 
24 yd 


C. 
10 yd 
D. 
29 yd 


Hint 


5. 
Find the circumference of the circle. Use 3.14 for . 





A. 
12.56 mi 
B. 
7.14 mi 


C. 
25.12 mi 
D. 
50.27 mi 


Hint 


