1.
Find
if
40°.
A.
120°
B.
40°
C.
180°
D.
140°
Hint
2.
Suppose
m
1 = 130°. Find
m
5.
A.
150°
B.
45°
C.
120°
D.
130°
Hint
3.
Complementary angles ______.
A.
have a sum of 90°
B.
have a sum of 180°
C.
have a sum between 90° and 180°
D.
are both obtuse angles
Hint
4.
R
and
S
are alternate exterior angles. Find the value of
x
if m
R
= 7
x
° and
m
S = 175°.
A.
x
= 12.5
B.
x
= 25
C.
x
= 35
D.
x
= 17.5
Hint
5.
A
and
B
are supplementary angles. What is the measure of
B
if
m
A
= 120°?
A.
60°
B.
120°
C.
30°
D.
180°
Hint