Chp 8 Workbook

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NAME DATE PERIOD 8-5 Word Problem Practice Angles of Elevation and Depression 1. LIGHTHOUSES Sailors on a ship at sea spot the light from a lighthouse. The angle of elevation to the light is 25°. 25° ? 30m The light of the lighthouse is 30 meters above sea level. How far from the shore is the ship? Round your answer to the nearest meter. 4. PEAK TRAM The Peak Tram in Hong Kong connects two terminals, one at the base of a mountain, and the other at the summit. The angle of elevation of the upper terminal from the lower terminal is about 15.5°. The distance between the two terminals is about 1365 meters. About how much higher above sea level is the upper terminal compared to the lower terminal? Round your answer to the nearest meter. 5. HELICOPTERS Jermaine and John are watching a helicopter hover above the ground. 2. RESCUE A hiker dropped his backpack over one side of a canyon onto a ledge below. Because of the shape of the cliff, he could not see exactly where it landed. (Not drawn to scale) Helicopter h 32° 115 ft 48° 55° Jermaine 10 m John x Backpack ? ft From the other side, the park ranger reports that the angle of depression to the backpack is 32°. If the width of the canyon is 115 feet, how far down did the backpack fall? Round your answer to the nearest foot. 3. AIRPLANES The angle of elevation to an airplane viewed from the control tower at an airport is 7°. The tower is 200 feet high and the pilot reports that the altitude is 5200 feet. How far away from the control tower is the airplane? Round your answer to the nearest foot. Jermaine and John are standing 10 meters apart. a. Find two different expressions that can be used to find the h, height of the helicopter. b. Equate the two expressions you found for Exercise a to solve for x. Round your answer to the nearest hundredth. c. How high above the ground is the helicopter? Round your answer to the nearest hundredth. Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Chapter 8 34 Glencoe Geometry
NAME DATE PERIOD 8-5 Enrichment Best Seat in the House Most people want to sit in the best seat in the movie theater. The best seat could be defined as the seat that allows you to see the maximum amount of screen. The picture below represents this situation. screen 40 ft c˚ a˚ b˚ 10 ft x ft To determine the best seat in the house, you want to find what value of x allows you to see the maximum amount of screen. The value of x is how far from the screen you should sit. Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 1. To maximize the amount of screen viewed, which angle value needs to be maximized? Why? 2. What is the value of a if x = 10 feet? 3. What is the value of a if x = 20 feet? 4. What is the value of a if x = 25 feet? 5. What is the value of a if x = 35 feet? 6. What is the value of a if x = 55 feet? 7. Which value of x gives the greatest value of a? So, where is the best seat in the movie theater? Lesson 8-5 Chapter 8 35 Glencoe Geometry
Page 1 and 2: Chapter 8 Resource Masters
Page 3 and 4: Contents Copyright © Glencoe/McGra
Page 5: Copyright © Glencoe/McGraw-Hill, a
Page 8 and 9: NAME DATE PERIOD 8 Student-Built Gl
Page 10 and 11: NOMBRE FECHA PERÍODO 8 Ejercicios
Page 12 and 13: NAME DATE PERIOD 8-1 Study Guide an
Page 14 and 15: NAME DATE PERIOD 8-1 Practice Geome
Page 16 and 17: NAME DATE PERIOD 8-1 Enrichment Mat
Page 20 and 21: NAME DATE PERIOD 8-2 Practice Find
Page 22 and 23: NAME DATE PERIOD 8-2 Enrichment Con
Page 26 and 27: NAME DATE PERIOD 8-3 Skills Practic
Page 28 and 29: NAME DATE PERIOD 8-3 Word Problem P
Page 30 and 31: NAME DATE PERIOD 8-4 Trigonometric
Page 48 and 49: NAME DATE PERIOD 8-6 Graphing Calcu
Page 52 and 53: NAME DATE PERIOD 8-7 Practice Vecto
Page 54 and 55: NAME DATE PERIOD 8-7 Enrichment Dot
Page 56 and 57: NAME DATE PERIOD 8 Rubric for Scori
Page 58 and 59: NAME DATE PERIOD 8 Chapter 8 Quiz 3
Page 60 and 61: NAME DATE PERIOD 8 Chapter 8 Vocabu
Page 62 and 63: NAME DATE PERIOD 8 Chapter 8 Test,
Page 74 and 75: NAME DATE PERIOD 8 Standardized Tes
Page 76 and 77: NAME DATE PERIOD 8 Standardized Tes
Page 78 and 79: Copyright © Glencoe/McGraw-Hill, a
Page 86 and 87: Answers (Lesson 8-3) Copyright © G
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Copyright © Glencoe/McGraw-Hill, a
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Answers (Lesson 8-6 and Lesson 8-7)
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Chapter 8 Assessment Answer Key Qui
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Chapter 8 Assessment Answer Key For
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Chapter 8 Assessment Answer Key For
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Chapter 8 Assessment Answer Key Ext
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Chapter 8 Assessment Answer Key Sta
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