,This booklet is provided in Glencoe Geometry Answer Key Maker (0-07-860264-5).
Also provided are solutions for problems in the Prerequisite Skills, Extra Practice,
and Mixed Problem Solving sections.
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ISBN: 0-07-860204-1 Geometry
Solutions Manual
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,CONTENTS
Chapter 1 Points, Lines, Planes, and Angles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Chapter 2 Reasoning and Proof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 24
Chapter 3 Parallel and Perpendicular Lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Chapter 4 Congruent Triangles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Chapter 5 Relationships in Triangles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
Chapter 6 Proportions and Similarity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
Chapter 7 Right Triangles and Trigonometry. . . . . . . . . . . . . . . . . . . . . . . . . . .. 189
Chapter 8 Quadrilaterals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Chapter 9 Transformations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Chapter 10 Circles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Chapter 11 Areas of Polygons and Circles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383
Chapter 12 Surface Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 411
Chapter 13 Volume………………………………………………………...447
Prerequisite Skills …………………………………………………………477
Extra Practice………………………………………………………………502
Mixed Problem Solving and Proof…………………………………………567
, Chapter 1 Points, Lines, Planes, and Angles
Page 5 Getting Started 2. See students’ work; sample answer: Two lines
1–4. intersect at a point.
y
3. Micha; the points must be noncollinear to
D( 1, 2) determine a plane.
4. Sample answers: line p; plane R
B(4, 0) 5. Sample answer: y
O x
A(3, 2)
C( 4, 4) W
x
O
5. 3
3 6 3 X
4 8 8 8 Z
9 1
8 18
5
Y
1 37 4
1
16 5 8 ¬ 16 8
6. 2
37 82 6.
¬16 16
r
P
119 7
¬16 ¬7 16 s
9
7. 7 9
14 Q
8 16 ¬ 16 16
5 7. There are six planes: plane ABC, plane AGE,
¬16
plane CDE, plane BCD, plane FAB, and plane
8. 11 1 7 23 15
2 9 16 ¬ 2 16
1
DEF.
184 15 1
¬16 16
8. A, K, B or B, J, C
33 9. No; A, C, and J lie in plane ABC, but D does not.
¬ 1
16 2 16
10. line 11. point 12. plane
9. 2 17 15
10. 23 (14)¬ 23 14
37 Pages 9–11 Practice and Apply
11. [7 (2)]2¬ (7 2)2 13. n 14. F
(5)2 25 15. R 16. W
12. 92 132¬ 81 169
17. Sample answer: PR
250
13. P¬ 4s 18. Yes, it intersects both m and n when all three
4(5) 20 lines are extended.
The perimeter is 20 in. 19. (D, 9) 20. Charlotte
14. P¬ 2 2w 21.
B
¬ 2(6) 2 21
2
¬ 12 5 17 W
The perimeter is 17 ft. Q
15. P¬ 2 2w A
2(4.8) 2(7.5)
9.6 15 24.6 22.
The perimeter is 24.6 m. R
W
T
23. Sample answer:
1-1 Points, Lines, and Planes
y
Page 8 Geometry Activity R S
1. no 2. no Z
3. On CD; see students’ work. O x
4. See students’ work.
Q
Page 9 Check for Understanding
1. point, line, plane
1 Chapter 1