Download 3.1 Practice A - Peoria Public Schools

Name _______________________________________ Date __________________ Class __________________
Practice A
Lines and Angles
Complete the statements by matching the correct term.
1. ______________________ lines are not coplanar. They are not parallel
and do not intersect.
parallel
skew
90 or right
intersect
2. Parallel planes are planes that do not ______________________.
3. Perpendicular lines () intersect at _______________________ angles.
4. ____________________ lines (||) are coplanar and do not intersect.
For Exercises 5–8, identify each of the following in the figure.
5. a pair of parallel segments
_________________________
6. a pair of skew segments
_________________________
7. a pair of perpendicular segments
_________________________
8. a pair of parallel planes
_________________________
Refer to the figure to match the correct terms for Exercises 9–13.
9. A transversal is a line that intersects two coplanar _____________________
at two different points. The transversal j and the other two lines k and
form eight angles.
10. _____________________ angles lie on the same side of the
transversal j, on the same sides of lines k and .
outside
same
corresponding
lines
alternate
11. Alternate exterior angles lie on opposite sides of the transversal j,
_____________________lines k and .
12. _____________________ interior angles lie on opposite sides of
the transversal j, between lines k and .
13. Same-side interior angles lie on the _____________________
side of the transversal j, between lines k and .
14. Sudeep walks back and forth along parallel segments
in his yard. Then he walks back diagonally across the
yard. Identify each of the following in the figure.
a. a transversal
________________________________________
c. alternate interior angles
________________________________________
b. corresponding angles
_________________________________________
d. alternate exterior angles
_________________________________________
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Holt McDougal Geometry
Name _______________________________________ Date __________________ Class __________________
Answers for the chapter Parallel and Perpendicular Lines
Practice C
LINES AND ANGLES
1.
Practice A
1. Skew
2. intersect
3. 90° or right
4. Parallel
Lines j and  are parallel.
5. AC EG
2.
6. AC and Dh are skew.
7. CG  EG
8. plane ABD  plane EFH
9. lines
10. Corresponding
11. outside
12. Alternate
13 same
14. line r
Lines j and  are skew.
3.
15. 1 and 3 or 2 and 4
16. 2 and 3
17. 1 and 4
Lines j and  are perpendicular.
Practice B
4.
1. BE AD
2. AB and CF are skew.
3. CF  EF
Lines j and  are parallel.
4. plane ABC  plane DEF
5. line z
6. lines x and y
5. X  10; O  10
7. Sample answer: 1 and 3
6. X  40; O  70
8. Sample answer: 2 and 6
7.
9. Sample answer: 1 and 5
10. Sample answer: 2 and 3
11. transv.: utility pole; same-side interior
angles
8.
12. transv.: tension wire; alternate exterior
angles
13. transv.: telephone line; corresponding
angles
14. transv.: utility pole; alternate interior
angles
y 5 2x 1 1
Reteach
1. g  h
2. j and h
3. j  g
4. Possible answers: EH or FJ
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
Holt McDougal Geometry