1.   Which pair of lines are skew?
   
    A. B.
    C. D.
    Hint

  2.   Which pair of lines are parallel?
   
    A. B.
    C. D.
    Hint

  3.   Which pair of angles are corresponding angles?
   
    A. B.
    C. D.
    Hint

  4.   If m || h and m1 = 40°, find m5.
   
    A. 140° B. 40°
    C. 20° D. 80°
    Hint

  5.   If m || h, m3 = (18x-12)° and m7 = (6x + 63)°, find m3.
   
    A. B. 10°
    C. 99° D. 63°
    Hint



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