Geo_Book_Answers

Recommendations

Info

<strong>Answers</strong> to Exercises LESSON 8.3 1a. 121,952 ft 2 1b. 244 gal of base paint and 488 gal of finishing paint 2. He should buy at least four rolls of wallpaper. (The area of each roll is 125 ft 2 . The total surface area to be papered is 480 ft 2 .) If paper cut off at the corners is wasted, he’ll need 5 rolls. 3. 1552 ft 2 ; 776 ft 2 more surface area 4. 21 5. 336 ft 2 ; $1780 98 ANSWERS TO EXERCISES 6. $760 7. 220 terra cotta tiles, 1107 blue tiles; $1598.15 8. 72 cm2 9. AB 16.5 cm, BD 15.3 cm 10. 60 cm2 by either method 11. Because AOB is isosceles, mA 20° and mAOB 140°. mAB 140° and mCD 82°. mAC mBD because parallel lines intercept congruent arcs on a circle. 360°1 40° 82° 2 69°. 12. E
USING YOUR ALGEBRA SKILLS 8 1. x 2 6x 5 2. 2x 2 7x x 1 x 3. 6x 2 19x 10 2x 5 4. (3)(2x 1) 5. (x 5)(x 3) 2x 1 6. (2x 3)(x 4) x 4 7. x 2 26x 165 8. 12x 2 13x 35 9. x 2 8x 16 10. 4x 2 25 x 4 x 11 1 x 4 x x x 5 x x 1 x 2 x x 2 3 x 4 4x 4x 16 x 5 x x 2 x 15 15x 11x 165 5 3x 2 x x 2 2x 3 x 3 x 3 x 4x 5 2x 5 3 x 2x 7 x 7 3x 12x 2 2x 4x 2 x x 5 x x 2 7 28x 15x 35 5 10x 10x 25 5 11. a 2 2ab b 2 12. a 2 b 2 a b 13. (x 15)(x 4) 14. (x 12)(x 2) x 4 15. (x 5)(x 4) x 4 16. (x 3) 2 (x 3)(x 3) x 3 17. (x 6)(x 6) x 6 18. (2x 7)(2x 7) 2x 7 a a 2 x x 2 x x 2 x x 2 x x 2 2x 4x 2 b ab ab b 2 15 15x 4x 60 3 3x 3x 9 19. x 4 or x 1 20. x 10 or x 3 21. x 3 or x 8 22. x 1 2 or x 4 23a and b. h 5 5x 4x 20 6 6x 6x 36 7 14x 14x 49 h x 2 h 4 12 23c. 1 2 [h (h 4)]h 48 23d. h 8 or h 6. The height cannot be negative, so the only valid solution is h 6. The height is 6 feet, one base is 6 feet, and the otherbaseis10feet. a b x x 2 a a 2 b ab ab b 2 12x 2x 24 ANSWERS TO EXERCISES 99 <strong>Answers</strong> to Exercises
Page 1 and 2:
Answers to Exercises 0 CHAPTER 0
Page 3 and 4:
LESSON 0.3 1. Design with reflectio
Page 5 and 6:
LESSON 0.5 1. possible answers: Sco
Page 7 and 8:
CHAPTER 0 REVIEW 1. possible answer
Page 9 and 10:
USING YOUR ALGEBRA SKILLS 1 1. (3,
Page 11 and 12:
34. B 35. MY; CK; mI 36. SEU; EUO;
Page 13 and 14:
20. false 21. true 22. false; Thoug
Page 15 and 16:
LESSON 1.5 1. D 2. A 3. C 4. B 5. C
Page 17 and 18:
LESSON 1.7 1. Answers will vary. Sa
Page 19 and 20:
LESSON 1.8 1. 2. 3. 4. 5. 6. 7. 8.
Page 21 and 22:
CHAPTER 1 REVIEW 1. true 2. False;
Page 23 and 24:
Answers to Exercises CHAPTER 2 •
Page 25 and 26:
8. 8n is steeper; the coefficient o
Page 27 and 28:
LESSON 2.4 1. inductive; deductive
Page 29 and 30:
LESSON 2.6 1. 63° 2. 90° 3. no 4.
Page 31 and 32:
CHAPTER 2 REVIEW 1. poor inductive
Page 33 and 34:
1. 2. 3. 4. 5. A B Q D C D 1 CD 2 E
Page 35 and 36:
1. LESSON 3.3 The answer depends on
Page 37 and 38:
1. D 2. F 3. A 4. C 5. E 6. 7. 8. 9
Page 39 and 40:
LESSON 3.5 1. 2. 3. Construct a seg
Page 41 and 42:
LESSON 3.6 1. Sample description: C
Page 43 and 44:
1. incenter LESSON 3.7 Because the
Page 45 and 46:
LESSON 3.8 1. The center of gravity
Page 47 and 48: 42. true 43. False; any non-acute t
Page 49 and 50: LESSON 4.2 1. 79° 2. 54° 3. 107.5
Page 51 and 52: 1. yes 2. no 3. no 4 5 9 5 6 12 LES
Page 53 and 54: LESSON 4.5 1. If two angles and the
Page 55 and 56: 1. See flowchart below. 2. See flow
Page 57 and 58: 1. 6 2. 90°; 18° 3. 45° 4. See f
Page 59 and 60: CHAPTER 4 REVIEW 1. Their rigidity
Page 61 and 62: Answers to Exercises 5 CHAPTER 5
Page 63 and 64: LESSON 5.3 1. 64 cm 2. 21°; 146°
Page 65 and 66: 1. 34 cm; 27 cm 2. 132°; 48° 3. 1
Page 67 and 68: 1. 2. 3. (0, 4) y y y (0, 6) USING
Page 69 and 70: 22. The platform stays parallel to
Page 71 and 72: 7. 2 RE AB 3 BR EA 4 AR EB
Page 73 and 74: 20. Speed: 901.4 km/h. Direction:
Page 75 and 76: LESSON 6.2 1. 165°, definition of
Page 77 and 78: 1 OR CD ? 5 OC OD ? All radii o
Page 79 and 80: LESSON 6.5 1. d 5 cm 2. C 10 cm 3
Page 81 and 82: 1. 1 2 ,3 USING YOUR ALGEBRA SKILL
Page 83 and 84: CHAPTER 6 REVIEW 1. Answers will va
Page 85 and 86: Answers to Exercises CHAPTER 7 •
Page 87 and 88: 15. possible answer: HIKED 16. one,
Page 89 and 90: LESSON 7.4 1. Answers will vary. 2.
Page 91 and 92: LESSON 7.6 1. Answers will vary. 2.
Page 93 and 94: 1. parallelograms 2. parallelograms
Page 95 and 96: CHAPTER 7 REVIEW 1. true 2. true 3.
Page 97: 1. 20 cm 2 2. 49.5 m 2 3. 300 squar
Page 101 and 102: LESSON 8.5 1. 9 in 2 2. 49 cm 2 3.
Page 103 and 104: LESSON 8.7 1. 150 cm 2 2. 4070 cm 2
Page 107 and 108: USING YOUR ALGEBRA SKILLS 9 1. 6 2.
Page 109 and 110: LESSON 9.4 1. No. The space diagona
Page 111 and 112: LESSON 9.6 1. 18 cm2 56.5 cm2 2. (
Page 113 and 114: 32. 4 in./s 12.6 in./s 33. true 34
Page 115 and 116: 36. See table below. Possible answe
Page 117 and 118: LESSON 10.3 1. 192 cm3 2. 84 cm3 2
Page 119 and 120: LESSON 10.5 1. 675 cm3 2. 36 cm3 1
Page 121 and 122: LESSON 10.7 1. V 972 cm3 3054 cm3
Page 123 and 124: CHAPTER 10 REVIEW 1. They have the
Page 125 and 126: 1. A 2. B 3. possible answer: 3. po
Page 127 and 128: LESSON 11.3 1. 16 m 2. 4 ft 3 in. 3
Page 129 and 130: 1. 18 cm 2. 12 cm 3. 21 cm 4. 15 cm
Page 131 and 132: 1. 1715 cm 3 LESSON 11.6 2. 16 cm,
Page 133 and 134: Use segment addition to show that e
Page 137 and 138: LESSON 12.3 1. 329 cm 2 2. 4 cm 2 3
Page 139 and 140: LESSON 12.5 1. approximately 12.7 m
Page 141 and 142: 13. f(x) 1 2 (x3)2 2; A vertical s
Page 145 and 146: LESSON 13.2 1. Linear Pair Postulat
Page 147 and 148: LESSON 13.3 1. Case 1: P is colline
Page 149 and 150:
1. A LESSON 13.4 Use x to represent
Page 151 and 152:
LESSON 13.5 1. D: Paris is in Franc
Page 153 and 154:
8. Use the Inscribed Angle Theorem
Page 155 and 156:
11. CA Postulate 12. 13. Perpendicu
Page 157 and 158:
8. Task 1: Given: A rectangle with
Page 159 and 160:
CHAPTER 13 REVIEW 1. False. The qua
show all

Geo_Book_Answers

Create successful ePaper yourself

Delete template?

Save as template?