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An instrument was set up over station 1, and sights between points A and C were taken. The instrument was then moved to C, back-sighted onto Station 1 before being sighted onto D. The instrument did not offer the zeroing of the horizontal angle. The backsight from station 1 to point A is to act as the reference plane for the site (taken as zero degrees). What is the whole circle angle for the angles 1CD? Express the angle (in degrees) as a decimal to 4 decimal places Instrument located at STN 1 Pt C Instrument sighted onto A C STN 1 D Instrument Face (FL/FR) FL FL FL FL Horizontal angle reading (") 2 0 15 121 05 31 358 0 0 268 18 37

An instrument was set up over station 1, and sights between points A and C were taken. The instrument was then moved to C, back-sighted onto Station 1 before being sighted onto D. The instrument did not offer the zeroing of the horizontal angle. The backsight from station 1 to point A is to act as the reference plane for the site (taken as zero degrees). What is the whole circle angle for the angles 1CD? Express the angle (in degrees) as a decimal to 4 decimal places Instrument located at STN 1 Pt C Instrument sighted onto A C STN 1 D Instrument Face (FL/FR) FL FL FL FL Horizontal angle reading (") 2 0 15 121 05 31 358 0 0 268 18 37

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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An instrument was set up over station 1, and sights between points A and C were taken. The instrument was then moved to C, back-sighted onto Station 1 before being sighted onto D. The instrument did not offer the zeroing of the horizontal angle. The backsight from station 1 to point A is to act as the reference plane for the site (taken as zero degrees). What is the whole circle angle for the angles 1CD? Express the angle (in degrees) as a decimal to 4 decimal places Instrument located at STN 1 Pt C Instrument sighted onto A C STN 1 D Instrument Face (FL/FR) FL FL FL FL Horizontal angle reading (") 2 0 15 121 05 31 358 0 0 268 18 37
Transcribed Image Text:An instrument was set up over station 1, and sights between points A and C were taken. The instrument was then moved to C, back-sighted onto Station 1 before being sighted onto D. The instrument did not offer the zeroing of the horizontal angle. The backsight from station 1 to point A is to act as the reference plane for the site (taken as zero degrees). What is the whole circle angle for the angles 1CD? Express the angle (in degrees) as a decimal to 4 decimal places Instrument located at STN 1 Pt C Instrument sighted onto A C STN 1 D Instrument Face (FL/FR) FL FL FL FL Horizontal angle reading (") 2 0 15 121 05 31 358 0 0 268 18 37
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