1.
Which statement needs to be true to prove
A.
1
3
B.
4
1
C.
1
2
D.
m
1 +
m
3 = 180°
Hint
2.
If two lines are cut by a transversal and ______ angles are congruent, then the lines are parallel.
A.
consecutive interior
B.
adjacent
C.
corresponding
D.
vertical
Hint
3.
If
3
4, which lines must be parallel?
A.
a
and
b
B.
a
and
c
C.
a
and
d
D.
d
and
e
Hint
4.
If
which lines must be parallel?
A.
B.
C.
D.
Hint
5.
If
and
, what reason proves that
A.
If two parallel lines are cut by a transversal, then alternate interior angles are equal in measure.
B.
If two angles are vertical angles then they are equal in measure.
C.
Angle Addition Property
D.
Transitive Property
Hint