Parallel and Perpendicular Lines Answers

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3

Planes Q and R are parallel planes. Plane Q contains line a. Plane R contains line b.

Question illustration
l
lines a and b must be parallel.
l
lines a and b cannot be parallel.
l
lines a and b must be skew.
l
lines a and b must be perpendicular.
4

Consider the diagram.

Question illustration
A
non-coplanar.
B
parallel.
C
perpendicular.
D
skew.
6

In the diagram, the length of segment BC is 23 units.

Question illustration
A
13 units
B
18 units
C
33 units
D
46 units
8

Planes Q and R are parallel. Lines a and b are shown on planes Q and R, respectively.

Question illustration
A
They are parallel lines.
B
They are perpendicular lines.
C
They are skew lines.
D
They will intersect.
9

Consider the diagram.

Question illustration
c
coplanar.
p
parallel.
p
perpendicular.
s
skew.

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