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4. *The Leaning Tower of Pisa is inclined 5.5° from the vertical. At a distance of 100 meters from the wall of the tower, the angle of elevation to the top is 30.5°. Approximate the height (in feet) of the Leaning Tower. Note: There is approximately 3.28 feet in one meter.

4. *The Leaning Tower of Pisa is inclined 5.5° from the vertical. At a distance of 100 meters from the wall of the tower, the angle of elevation to the top is 30.5°. Approximate the height (in feet) of the Leaning Tower. Note: There is approximately 3.28 feet in one meter.

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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4. *The Leaning Tower of Pisa is inclined 5.5° from the vertical. At a distance of 100 meters from the wall of the tower, the angle of elevation to the top is 30.5°. Approximate the height (in feet) of the Leaning Tower. Note: There is approximately 3.28 feet in one meter. 5. *** A submarine dives at an angle of 16° with the horizontal. If it takes 4 minutes to dive from the surface to a depth of 300 feet, how fast does it move along its sloping path downward? Give your answer in feet per minute and in nautical miles per hour. (Note: 1 nautical mile per hour is approximately 6800 feet per hour). 6. *If fencing costs $2.50 per foot, how much will it cost to buy fencing to go around the plot of land shown to the right? 50 ft 128° 30 ft 7. Solve the triangle with the following information: p = 11 meters, q = 16 meters, and mZR = 121°.
Transcribed Image Text:4. *The Leaning Tower of Pisa is inclined 5.5° from the vertical. At a distance of 100 meters from the wall of the tower, the angle of elevation to the top is 30.5°. Approximate the height (in feet) of the Leaning Tower. Note: There is approximately 3.28 feet in one meter. 5. *** A submarine dives at an angle of 16° with the horizontal. If it takes 4 minutes to dive from the surface to a depth of 300 feet, how fast does it move along its sloping path downward? Give your answer in feet per minute and in nautical miles per hour. (Note: 1 nautical mile per hour is approximately 6800 feet per hour). 6. *If fencing costs $2.50 per foot, how much will it cost to buy fencing to go around the plot of land shown to the right? 50 ft 128° 30 ft 7. Solve the triangle with the following information: p = 11 meters, q = 16 meters, and mZR = 121°.
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