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

  2.   Find the circumference of a circle whose radius is 1.25 yards. Use the key on a calculator. Round to the nearest tenth.
    A. 7.9 yd B. 6.4 yd
    C. 3.9 yd D. 4.8 yd
    Hint

  3.   Laura is painting a round floor cloth to resemble a globe for her bedroom floor. She wants to sew seam binding around the edges to keep the cloth from unraveling. If the radius of the cloth is 3 yards, how much binding should she buy?
    A. 19 yd B. 10 yd
    C. 29 yd D. 24 yd
    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. 194.78 mm B. 3019.07 mm
    C. 34.14 mm D. 97.39 mm
    Hint



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