1.   Identify the part of the circle.
   
    A. center B.
    C. diameter D. radius
    Hint

  2.   Identify the part of the circle.
   
    A. center B. radius
    C. diameter D.
    Hint

  3.   Identify the part of the circle represented by .
   
    A. radius B. center
    C. none of these D. diameter
    Hint

  4.   Identify the part of the circle represented by .
   
    A. radius B. none of these
    C. center D. diameter
    Hint

  5.   Identify the part of the circle represented by .
   
    A. radius B. center
    C. none of these D. diameter
    Hint