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9. Bertha works in a 32-story building (building-A) that is 140 meters tall located on a boulevard with a slope of 5°. Several blocks uphill, there is another tall office building (building-B), and Bertha decides to compare the height of both building. From the street level at the entrance of her building (building-A) she measures the angle of elevation to the top of the second building (building-B) and finds 20°. She climbs to the roof of her illi 108 14:

9. Bertha works in a 32-story building (building-A) that is 140 meters tall located on a boulevard with a slope of 5°. Several blocks uphill, there is another tall office building (building-B), and Bertha decides to compare the height of both building. From the street level at the entrance of her building (building-A) she measures the angle of elevation to the top of the second building (building-B) and finds 20°. She climbs to the roof of her illi 108 14:

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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9. Bertha works in a 32-story building (building-A) that is 140 meters tall located on a boulevard with a slope of 5°. Several blocks uphill, there is another tall office building (building-B), and Bertha decides to compare the height of both building. From the street level at the entrance of her building (building-A) she measures the angle of elevation to the top of the second building (building-B) and finds 20°. She climbs to the roof of her building and measures the second angle of elevation of 12°. Which building is taller and by how much? Round your answer to the nearest meter. EXPRESS YOUR ANSWER AS: "building-X; xxx meters" *
Transcribed Image Text:9. Bertha works in a 32-story building (building-A) that is 140 meters tall located on a boulevard with a slope of 5°. Several blocks uphill, there is another tall office building (building-B), and Bertha decides to compare the height of both building. From the street level at the entrance of her building (building-A) she measures the angle of elevation to the top of the second building (building-B) and finds 20°. She climbs to the roof of her building and measures the second angle of elevation of 12°. Which building is taller and by how much? Round your answer to the nearest meter. EXPRESS YOUR ANSWER AS: "building-X; xxx meters" *
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