1.
If
and
form a linear pair and
find
A.
86
B.
76
C.
106
D.
96
Hint
2.
Which statement explains why
A.
Angles adjacent to the same angle or to congruent angles are congruent.
B.
All right angles are congruent.
C.
Angles complementary to the same angle or to congruent angles are congruent.
D.
Vertical angles are congruent.
Hint
3.
In the figure shown,
is complementary to
and
is complementary to
. Which statement is true if none of the measures of the angles equal 45?
A.
B.
is complementary to itself.
C.
is complementary to
.
D.
Hint
4.
If
1 and
2 form a linear pair and m
1 = 2
x
+ 16 and
m
2 = 50
x
+ 60, find m
2.
A.
160
B.
180
C.
20
D.
80
Hint
5.
Two angles are congruent if they are ______.
A.
vertical
B.
a linear pair
C.
adjacent
D.
supplementary
Hint