1.   The diameter of a child's circular wading pool is feet. What is the circumference of the pool? Use .
    A. feet B. 3 feet
    C. feet D. feet
    Hint

  2.   Find the circumference of the circle. Use for .
   
    A. 132 mm B. 66 mm
    C. 126 mm D. 21 mm
    Hint

  3.   Pizzas are sold according to the length of their diameters. What is the circumference of a 14-inch pizza?
    A. 44 in. B. 88 in.
    C. 22 in. D. 28 in.
    Hint

  4.   Find the circumference of the circle. Use 3.14 for .
   
    A. 50.27 mi B. 12.56 mi
    C. 7.14 mi D. 25.12 mi
    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. 194.78 mm B. 3019.07 mm
    C. 34.14 mm D. 97.39 mm
    Hint



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