1.
Which of the following is not a way to prove two lines parallel?
A.
Show that a pair of
alternate exterior angles
is congruent.
B.
Show that a pair of
consecutive interior
angles is supplementary.
C.
Show that a pair of
alternate interior angles
is congruent.
D.
Show that a pair of
corresponding angles
is supplementary.
Hint
2.
Identify the parallel segments in the figure.
A.
B.
C.
D.
no segments are parallel
Hint
3.
Find
x
so that
a
n
.
A.
54
B.
14
C.
50
D.
36
Hint
4.
Which lines are parallel if
5
6?
A.
B.
C.
No lines are necessarily parallel
D.
Hint
5.
Which lines are parallel if
and
in the same plane?
A.
B.
No lines are parallel
C.
D.
Hint