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. 3 feet D. feet
    Hint

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

  3.   Find the circumference of the circle. Use for .
   
    A. 8.4 m B. 86.6 m
    C. 16.5 m D. 33 m
    Hint

  4.   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. 3019.07 mm B. 34.14 mm
    C. 97.39 mm D. 194.78 mm
    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. 154 inches B. 17 inches
    C. 22 inches D. 44 inches
    Hint



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