1.   Lines a and b are parallel because1 and2 are _____.
   
    A. congruent alternate
interior angles
B. congruent alternate
exterior angles
    C. congruent supplementary angles D. congruent corresponding angles
    Hint

  2.   Which of the following is not a way to prove two lines parallel?
    A. Show that a pair of
consecutive interior
angles is supplementary.
B. Show that a pair of
alternate interior angles
is congruent.
    C. Show that a pair of
corresponding angles
is supplementary.
D. Show that a pair of
alternate exterior angles
is congruent.
    Hint

  3.   Find x so that g || h.
   
    A. 9 B. 7
    C. 6 D. 8
    Hint

  4.   Which lines are parallel if 5 6?
   
    A. B.
    C. D. No lines are necessarily parallel
    Hint

  5.   Find the value of x so that l n.
   
    A. 3 B. 6
    C. 24 D. 17
    Hint



Glencoe
The McGraw-Hill Companies