1.   The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
    A. 35.4 B. 16.8
    C. 47.1 D. 23.6
    Hint

  2.   Find the radius of a circle with circumference .
    A. B. 8
    C. 16 D. 4
    Hint

  3.  
   
    A. minor arc B. chord
    C. major arc D. circumference
    Hint

  4.  
   
    A. 320 B.
    C. 40 D. 20
    Hint

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

  6.  
   
    A. 12.2 B. 7.1
    C. 8.3 D. 9.6
    Hint

  7.   The center of the circle with equation (x - 3)2 + (y + 2)2 = 4 has coordinates ___.
    A. (-3, -2) B. (3, 2)
    C. (-3, 2) D. (3, -2)
    Hint

  8.   is a diameter of the circle. Find the value of x.
   
    A. B.
    C. D. 7
    Hint

  9.   In the figure, , and . If MP = 7, then PQ = ____.
   
    A. 14 B. 24
    C. 7 D. 25
    Hint

  10.  
   
    A. 46 B. 23
    C. 32 D. 11.5
    Hint

  11.   If is tangent to circle M, what is the length of a radius of circle M?
   
    A. 16 B. 2
    C. 8 D.
    Hint

  12.   Find mIHJ.
   
    A. 125.5 B. 140
    C. 77.5 D. 117
    Hint

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

  14.   Find an equation of the circle passing through U(-3, -1), V(3, 5), and
W(9, 3).
    A. x2 + y2 = 10
    B. (x - 4) 2 + (y + 2) 2 = 50
    C. (x + 1) 2 + (y - 4) 2 = 25
    D. (x - 3) 2 + (y - 3) 2 = 90
    Hint

  15.   is tangent to C. Find x.
   
    A. B.
    C. 12 D. 6
    Hint

  16.  
   
    A. 75 B. 62.5
    C. 125 D. 37.5
    Hint



Glencoe
The McGraw-Hill Companies