1.
What is
m
13 if
m
11 = 8
n
- 6 and
m
12 = 6
n
- 2?
A.
70
B.
20
C.
90
D.
110
Hint
2.
If
and
are opposite rays,
m
ABD
= 3
x
+ 4 and
m
EBC
= 2
x
- 14,
find
m
EBC
.
A.
90
B.
20
C.
26
D.
64
Hint
3.
If a line,
j
, is in a plane and point
B
is on
j
, how many lines in that plane are perpendicular to
j
at
B
?
A.
two
B.
one
C.
infinite
D.
zero
Hint
4.
If two lines are perpendicular, then they form four ________ angles.
A.
right
B.
acute
C.
obtuse
D.
complementary
Hint
5.
If
m
1 = 3
x
+ 2 and
m
2 = 5
x
, find
m
1.
A.
90
B.
55
C.
35
D.
11
Hint