1.   Find the value of x.
   
    A. 42 B. 47
    C. 52 D. 37
    Hint

  2.   is a diameter. Find .
   
    A. 360 B. 90
    C. 270 D. 180
    Hint

  3.   In circle H, and GI = 15. Find HK and
   
    A. 15; 180 B. 7.5; 90
    C. 7.5; 180 D. 15; 90
    Hint

  4.   If is a diameter of the circle, MR = 12, and the circle has radius 10, then find NM.
   
    A. 16 B. 6.6
    C. 8 D. 4
    Hint

  5.   Find x.
   
    A. 110 B. 90
    C. 80 D. 100
    Hint



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