1.
The Parallel Postulate states, ''If there is a line and a point not on the line, then there exists _______________ line through the point that is parallel to the given line.''
A.
no
B.
infinitely many
C.
exactly one
D.
more than one
Hint
2.
Which statement justifies the conclusion that if
b
and
c
are both perpendicular to
a
, then they are parallel?
A.
If two lines are parallel to the same line, then they are parallel.
B.
If two lines are perpendicular to the same line, then they are parallel.
C.
If two lines are cut by a transversal so that corresponding angles are congruent, then the lines are parallel.
D.
If two lines are perpendicular to the same line, then they are perpendicular.
Hint
3.
Which statement needs to be true to prove
A.
4
1
B.
1
2
C.
1
3
D.
m
1 +
m
3 = 180°
Hint
4.
If two lines are cut by a transversal and ______ angles are congruent, then the lines are parallel.
A.
adjacent
B.
vertical
C.
consecutive interior
D.
corresponding
Hint
5.
If
3
4, which lines must be parallel?
A.
d
and
e
B.
a
and
c
C.
a
and
d
D.
a
and
b
Hint