MCRBG-01-ES.qxd
8-13-2001
3:03 PM
ANSWERS
Page 3
FOR
1.2
For use with pages 13–16
1.2 Guided Practice
2.
S
R
48. Sample answer:
J
T
M
A, B, D, E
4. True
K
8. False
50. Sample answer:
1.2 Practice and Applications
X
W
Y
10. False
12. True
14. True
16. True
52. the intersection of two lines
18. N
20. F
54. the intersection of two planes
22. F
24. M
56. A
26. R, S, and T; S, T, and U; T,
U, and V; V, T, and S; V, T,
and R; U, T, and R
28. D
30. H
32. E
↔
58. DC
↔
60. AD
62. Sample answer:
34. G
36. P, Q, R, and S
Geometry Answer Transparencies
Copyright © McDougal Littell Inc.
L
6. True
64. Sample answer:
38. K, L, R, and S
40. K, L, M, and N
42. L, M, R, and Q
44. between A and B
46. are on the same line
3
MCRBG-01-ES.qxd
8-13-2001
3:03 PM
ANSWERS
Page 4
FOR
1.2 (CONT.)
For use with pages 13–16
66. Sample answer:
68.
↔
↔
CA and DB
6 lines have 15 intersections
70.–72.
A
E
C
G
H
V
B
W
D
F
The dashed lines are the hidden lines
of the house.
74. B
76.
Yes there is a pattern. The
second number of intersections is two more than the
first. The third number is
three more than the second.
The fourth number is four
more than the third. The fifth
number is five more than the
fourth, and so on.
1.2 Mixed Review
Geometry Answer Transparencies
Copyright © McDougal Littell Inc.
78. The numbers alternate
between 2 and 2. The next
number is 2.
80. Numbers after the first are
5 lines have 10 intersections
found by adding consecutive
multiples of 3. The next
number is 45.
4
MCRBG-01-ES.qxd
8-13-2001
3:03 PM
ANSWERS
Page 5
FOR
1.2 (CONT.)
For use with pages 13–16
84. –3
86. –3
88. –2
90. 10
92. 5
94. 3.61
96. 11.18
Geometry Answer Transparencies
Copyright © McDougal Littell Inc.
82. –6
5