AnswersLA-Geometry A Distance LearningParallel and Perpendicular Lines

Parallel and Perpendicular Lines Answers

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Planes M and N intersect at line d. Line a forms a right angle with line d. Line b is diagonal and crosses line d. Line c is on plane N and is diagonal. Line e is on plane M and is slightly diagonal at the top of the plane.Which are skew lines? Check all that apply.

A
a and b
B
c and b
C
b and e
D
e and c
E
a and e
F
a and c
2
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Sample Response: Skew lines are noncoplanar and do not intersect. Line a lies in plane Q and line b lies in plane R, so the lines are not coplanar. No other plane can be drawn through the lines, so they are not parallel. So, a and b are skew.

Answer not available
110220

AE AC BD✔ DC

A
AE
B
AC
C
BD
D
✔ DC
110226

perpendicular parallel skew✔ none of these

A
perpendicular
B
parallel
C
skew
D
✔ none of these
110241

⇒ 23

Answer:

110241

110242

Planes Q and R are parallel. Explain how you know lines a and b are skew.

Question illustration
Answer:

Answer

110243

Segment TQ is 26 units long. What is the length of QV?

A
8 units
B
26 units
C
31 units
D
32 units
110244

⇒ 41

Question illustration
Answer:

110238

110245

What is the measure of AC?

A
5 units
B
13 units
C
26 units
D
39 units
110246

Marissa says that lines a and d will eventually intersect. Is she correct? Explain.

A
yes, because they are on the same plane
B
yes, because they are perpendicular
C
no, because they are parallel
D
no, because they are skew
110247

Use the diagram to complete the statements.

Answers:
Segment AD must be congruent to segment .:DC
Segment BC must be congruent to segment .:AB
110248

✔ ABBEBDCE

A
✔ AB
B
BE
C
BD
D
CE
110253

Planes M and N intersect at line d. Line a forms a right angle with line d. Line b is diagonal and crosses line d. Line c is on plane N and is diagonal. Line e is on plane M and is slightly diagonal at the top of the plane.Which are skew lines? Check all that apply.

A
a and b
B
c and b
C
b and e
D
e and c
E
a and e
F
a and c
110255

Are the lines in the diagram perpendicular, parallel, skew, or none of these?

Answers:
l and m::none of these
l and n::skew
m and n::perpendicular
110256

perpendicular parallel✔ skew none of these

A
perpendicular
B
parallel
C
✔ skew
D
none of these
110257

✔ perpendicular parallel skew none of these

A
✔ perpendicular
B
parallel
C
skew
D
none of these
110267

Question text not available

Answer not available
110268

Question text not available

Answer not available
110271

Are the lines in the diagram perpendicular, parallel, skew, or none of these?

Answers:
l and m::none of these
l and n::skew
m and n::perpendicular
110272

Segment TQ is 26 units long. What is the length of QV?

A
8 units
B
26 units
C
31 units
D
32 units

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