1.   Find the circumference of a circle with diameter . Use .
    A. B.
    C. D.
    Hint

  2.   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

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

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



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