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

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

  3.   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. 33 in. B. in.
    C. 15 in. D. in.
    Hint

  4.   Find the circumference of the circle. Use for .
   
    A. 8.4 m B. 16.5 m
    C. 86.6 m D. 33 m
    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. 194.78 mm
    C. 3019.07 mm D. 97.39 mm
    Hint



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