1. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA Tallest Buildings

2. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA Burj Kahlifa Makkah Royal Clock Tower Hotel One World Trade Taipei 101 Shanghai World Financial Center International Commerce Centre Petronas Towers 1 & 2 Zifeng Tower Willis Tower

3. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA Burj Kahlifa 2,717 ft Makkah Royal Clock Tower Hotel 1,972 ft One World Trade 1,776 ft Taipei 101 1,667 Shanghai World Financial Center ???? ft International Commerce Centre 1,588 ft Petronas Towers 1 & 2 1,483 ft Zifeng Tower 1,476 ft Willis Tower 1,453 ft

4. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA United Arab Emirates: Burj Khalifa Completed: 2010 Height: 2717 feet Floors: 162 Elevators: 58 Language: Arabic Religion: Muslim Life Expectancy: 76.91 Percent Urban: 84.4%

5. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA If a student is standing 1000 ft away from the Burj Khalifa Building (2717 ft) find the angle of elevation for which he or she is looking up at the top of the building?

6. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA Saudi Arabia: Makkah Royal Clock Tower Hotel Completed: 2012 Height: 1972 feet Floors: 123 Elevators: 96 Language: Arabic Religion: Muslim Life Expectancy: 74.58 Literacy Rate: 87.2%

7. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA If a student looks up to the top of the Makkah Royal Clock Tower Hotel (1972 ft) at a 70⁰ angle, how far is he or she from the base of the building?

8. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA Taiwan: Taipei 101 Completed: 2004 Height: 1667 feet Floors: 106 Elevators: 61 Language: Mandarin Chinese Religion: Buddhist & Taoist Life Expectancy: 79.71 Population: 29,299,716

9. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA A student is standing in the observatory deck of the Taipei 101 (1667 ft) and looks down at a car below. If the angle of depression to the car is 52⁰, how far is the car from the base of the building?

10. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA China: Shanghai World Financial Center Completed: 2008 Height: 1614 feet Floors: 104 Elevators: 91 Language: Mandarin Chinese Religion: Taoist & Buddhist Life Expectancy: 74.99 Percent Urban: 50.6%

11. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA Find the angle of depression of a student looking down from the observatory deck of the Shanghai World Financial Center (1614 ft) at a friend 1500 ft from the base of the building.

12. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA China: International Commerce Center Completed: 2010 Height: student will calculate Floors: 112 Elevators: 83 Language: Mandarin Chinese Religion: Taoist & Buddhist Life Expectancy: 74.99 Literacy Rate: 95.1%

13. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA How tall is the International Commerce Center building if a student is standing on the street 1200 ft from the base of the building and looks to the top of the building at a 52.8⁰?

14. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA Understanding Check How does the angle of elevation change as the distance from the base of the building increases? How does the angle of depression change as the distance as the objected spotted on the ground below? How does the angle of depression change when the person spots objects further away from the base of the building?

15. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA Enrichment How would the angle of depression change if the student were riding on the Eye of London? How would the angle of depression change if the student moved from the top observation deck to the lower observation deck?

16. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA http://geo.appstate.edu/NCGA