1.
Lines
a
and
b
are parallel because
1 and
2 are _____.
A.
congruent alternate
exterior angles
B.
congruent supplementary angles
C.
congruent corresponding angles
D.
congruent alternate
interior angles
Hint
2.
For lines
m
and
n
cut by a transversal
t
, find
x
so that
m
||
n
.
A.
12
B.
15
C.
16
D.
18
Hint
3.
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
corresponding angles
is supplementary.
C.
Show that a pair of
alternate exterior angles
is congruent.
D.
Show that a pair of
alternate interior angles
is congruent.
Hint
4.
Identify the parallel segments in the figure.
A.
B.
C.
no segments are parallel
D.
Hint
5.
Which lines are parallel if
and
in the same plane?
A.
B.
C.
D.
No lines are parallel
Hint