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

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

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

  4.   Find the circumference of a circle with diameter . Use .
    A. B.
    C. D.
    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. 97.39 mm
    C. 3019.07 mm D. 194.78 mm
    Hint



Glencoe
The McGraw-Hill Companies