1.   In rectangle ABCD, AC = 24 and DE = 2x - 8. Find x.
   
    A. 7 B. 13
    C. 16 D. 10
    Hint

  2.   In rectangle RSTU, which pair of segments is not necessarily congruent?
   
    A. B.
    C. D.
    Hint

  3.   Which of the following are the coordinates of the vertices of a rectangle?
    A. (-2, -3), (0, 0), (-3, -2), (-2, 1)
    B. (3, 5), (7, 5), (5, 1), (1, 1)
    C. (2, 0), (1, -3), (-2, -2), (-1, 1)
    D. (5, 4), (6, 2), (1, 0), (2, 1)
    Hint

  4.   If ACDF is a rectangle, what is mAEC?
   
    A. 70° B. 45°
    C. 135° D. 90°
    Hint

  5.   In the figure of the rectangle, which pair of angles is not necessarily complementary?
   
    A. 2 and 3
    B. 1 and 7
    C. 3 and 8
    D. 5 and 6
    Hint



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