1.   If LMNO is a rhombus, which angle is not necessarily a right angle?
   
    A. B.
    C. D.
    Hint

  2.   In the rhombus below,
and .
What is the value of x?
   
    A. 10 B.
    C. D. 6
    Hint

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

  4.   Choose the most precise description for the figure shown.
   
    A. rhombus B. parallelogram
    C. square D. quadrilateral
    Hint

  5.   In rhombus EFGH, m1 = 57°. What is m2?
   
    A. 43° B. 75°
    C. 33° D. 57°
    Hint



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