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

  2.   Find the value of y.
   
    A. 7 B. 87
    C. 83 D. 97
    Hint

  3.   What can you assume from the following figure?
   
    A. H is the center of the circle.
    B. GHK is isosceles.
    C. mJ + mGKI = 180.
    D. is a diameter of the circle.
    Hint

  4.   If P is the center of the circle, find the value of x.
   
    A. -25 B.
    C. 34 D. 23
    Hint

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



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