Download Geometry 1A Name Homework 1.2 Name the segment(s) shown that

Geometry 1A
Name _____________________
Homework
1.2
Name the segment(s) shown that are parallel to the given segment.
1. AC
E
2. AD
D
F
B
Name all segments that are skew to the given segment.
3. EF
A
C
Name a pair that matches each description.
4. parallel planes
E
D
5. parallel lines
6. skew lines
F
B
A
C
7. a line and a plane that are parallel
Use the figure at right to name the following.
C
8. all lines that are parallel to AB
J
D
L
9. two lines that are skew to EJ
F
G
E
10. the intersection of plane FAB and FAE
A
B
Use for #8-10
H
Complete #11-16 with always, sometimes, or never to make a true statement.
11. Two parallel lines are __________________ coplanar.
12. Two skew lines are ___________________ coplanar.
13. Two opposite rays ____________________ form a line.
14. Two lines in the same plane are _____________________ coplanar.
15. Two lines that lie in parallel planes are ___________________ parallel.
16. Two lines in intersecting planes are ____________________ skew.
Name an angle or angles described by each of the following:
17. acute angle(s)
18. obtuse angle(s)
19. supplementary to AOD
A
20. adjacent and congruent to AOE
B
E
60
21. supplementary to EOA
o
O
D
C
22. complementary to EOD
Use for #17-26
23. a pair of vertical angles
Find the measure of each of the following angles. Show all work.
24. mAOD
25. mAOB
26. mBOC
27. Name three pairs of supplementary angles.
L
J
K
M
28. Name two angles that appear to be obtuse.
P
N
Use for #27-28
29. Make Sense of Problems: Can two obtuse angles be complementary to each
other? Explain.
30. Model with Mathematics: Is it possible for a pair of nonadjacent angles to share
vertex A and arm AB ? If it is possible, draw an example. If it is not possible,
explain your answer.
Answers
1. DF
15. sometimes
2. BE , CF
16. sometimes
3. AD , AB , AC
4. ABC DEF
17. AOB , DOC , EOD
18. EOB , AOD , BOC
19. AOB or DOC
5. BE AD CF
20. EOC
6. Answers will vary: CF , DE
21. EOC
7. Answers will vary: DEF, BC
22. DOC or AOB
8. FG
23. AOB & DOC , BOC & AOD
9. Answers will vary.
24. 150o
Sample: CD , AB
10. AF
25. 30o
26. 150o
11. always
27. PKJ & JKL , JKP & PKM ,
JKL & LKM , LKM & PKM
12. never
28. JKL , LKN , JKN , PKM
13. always
29. Answers will vary.
14. always
30. Answers will vary.