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The magnetic bearing of a line was recorded as N 34 00 E on an old survey plan dated 1947. In 1970, the isogonic chart shows a declination of 9° W for the area with an annual change of 4' eastward. Determine the azimuth of the line in 2020. Your answer

The magnetic bearing of a line was recorded as N 34 00 E on an old survey plan dated 1947. In 1970, the isogonic chart shows a declination of 9° W for the area with an annual change of 4' eastward. Determine the azimuth of the line in 2020. Your answer

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The magnetic bearing of a line was recorded as N 34°00 E on an old survey plan dated 1947. In 1970, the isogonic chart shows a declination of 9° W for the area with an annual change of 4' eastward. Determine the azimuth of the line in 2020. Your answer An airplane is 421km from radar station R at a bearing of N 23 25' W. A second radar station Q is 210km from R at a bearing of S 57 25' E. Find the distance of the airplane from station Q.
Transcribed Image Text:The magnetic bearing of a line was recorded as N 34°00 E on an old survey plan dated 1947. In 1970, the isogonic chart shows a declination of 9° W for the area with an annual change of 4' eastward. Determine the azimuth of the line in 2020. Your answer An airplane is 421km from radar station R at a bearing of N 23 25' W. A second radar station Q is 210km from R at a bearing of S 57 25' E. Find the distance of the airplane from station Q.
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