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wrong. 3. What is the angle of elevation for the pyramid in Question 2, to one decimal place? Mark the measurements on the diagram. B H A X D

wrong. 3. What is the angle of elevation for the pyramid in Question 2, to one decimal place? Mark the measurements on the diagram. B H A X D

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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Af 2 2. The Muttart Conservatory has four pyramids. Two pyramids have a square base with sides 20.5 m long. They are 19.0 m high. 5.7631 Judy calculated the angle of elevation of each face of the pyramid. Is her solution reasonable? A32+ BC² = AC² 19.52 +19.5² = AC² 27.577... = AC, or AC = 27.577... m 27.577... Length of AP: 2 To get ZHAP: cos <HAP = 18.0 m 19.5 m 13.788..., or 13.788... m 13.788... 18.0 Mark the measurements on the diagram. , or 40.001...⁰ AP is half of AC. H B 29m The angle of elevation is about 40°. a) Was the length Judy calculated for AC reasonable? Explain. = AC²² AC=√120.55 A No Judy's Calculation wasnt reasonable. b) Did Judy use the correct trigonometric ratio? Explain. yes Judy used the correct trigonometric radio Cos CHAP=Base / Hypotenuse = AP/AH c) Was Judy correct to determine ZHAP? Explain. She used the correct Formulas, But he was wrong. 3. What is the angle of elevation for the pyramid in Question 2, to one decimal place? C D 19.5 m H A 29 X D
Transcribed Image Text:Af 2 2. The Muttart Conservatory has four pyramids. Two pyramids have a square base with sides 20.5 m long. They are 19.0 m high. 5.7631 Judy calculated the angle of elevation of each face of the pyramid. Is her solution reasonable? A32+ BC² = AC² 19.52 +19.5² = AC² 27.577... = AC, or AC = 27.577... m 27.577... Length of AP: 2 To get ZHAP: cos <HAP = 18.0 m 19.5 m 13.788..., or 13.788... m 13.788... 18.0 Mark the measurements on the diagram. , or 40.001...⁰ AP is half of AC. H B 29m The angle of elevation is about 40°. a) Was the length Judy calculated for AC reasonable? Explain. = AC²² AC=√120.55 A No Judy's Calculation wasnt reasonable. b) Did Judy use the correct trigonometric ratio? Explain. yes Judy used the correct trigonometric radio Cos CHAP=Base / Hypotenuse = AP/AH c) Was Judy correct to determine ZHAP? Explain. She used the correct Formulas, But he was wrong. 3. What is the angle of elevation for the pyramid in Question 2, to one decimal place? C D 19.5 m H A 29 X D
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