1.   In the figure, XZ = 12, UV = 8, and is a diameter. Find the length of a radius of the circle.
   
    A. 8 B. 10
    C. D. 12
    Hint

  2.   Refer to circle C. Find the value of x.
   
    A. 13 B.
    C. D.
    Hint

  3.   Find the value of x to the nearest tenth.
   
    A. 13.2 B. 16.2
    C. 10.0 D. 3.7
    Hint

  4.  
   
    A. 3.6 B. 4.4
    C. 7.2 D. 2.2
    Hint

  5.   Find the value of z.
   
    A. 15 B. 10
    C. 11 D. 9
    Hint



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