Elementary Surveying: An Introduction To Geomatics (15th Edition)
15th Edition
ISBN: 9780134604657
Author: Charles D. Ghilani
Publisher: PEARSON
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Chapter 7, Problem 7.6P
In Problems 7.6 through 7.? I9, convert the azimuths from north to bearings, and compute the angles, smaller than 180° between successive azimuths.
?.6
65°26’37”,12T°25’46”?254°23’07”, and 295°14’08”
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6. From a two inaccessible but intervisible points A and B, the angles to two
triangulation stations C and D were observed as follows: Line CD has a distance of
500m. Iong. Compute the distance of the line AB.
Angle CAB = 79°30'
Angle DAB = 28°30'
Angle DBC = 31°30'
Angle DBA = 84°30'
a) 536.48m.
b) 563.84m.
c) 535.68m.
d) 538.46m.
The azimuth from north of traverse line AB is 225 degrees and 00". If the succeeding line BC has a bearing of S 30 degrees and 00" E. Compute the following: a. Bearing line AB
b. Deflection of station B
The interior angles of a five side traverse are as follows:
A=142°54' B=96°32' C= 117°30' and E=132°18' .
The angle D is not measured, assumed BC is due south. Sketch to Calculate the following:
a. Deflection angle at D.
b. Azimuth of the line AB.
c. Bearing of the line EA.
d. Back Azimuth of the line DC.
Chapter 7 Solutions
Elementary Surveying: An Introduction To Geomatics (15th Edition)
Ch. 7 - Define the different reference meridians that can...Ch. 7 - Prob. 7.2PCh. 7 - Why is it important to adopt a standard angle...Ch. 7 - Prob. 7.4PCh. 7 - Prob. 7.5PCh. 7 - In Problems 7.6 through 7.? I9, convert the...Ch. 7 - Prob. 7.7PCh. 7 - Prob. 7.8PCh. 7 - Prob. 7.9PCh. 7 - Prob. 7.10P
Ch. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - For a bearing DE = NUS 5 53’56 ”WT and angles to...Ch. 7 - ?.14 Similar to Problem ?.13 El, except the...Ch. 7 - Prob. 7.15PCh. 7 - Course AB of a ?ve-sided traverse runs due north....Ch. 7 - Prob. 7.17PCh. 7 - Prob. 7.18PCh. 7 - Prob. 7.19PCh. 7 - Prob. 7.20PCh. 7 - Prob. 7.21PCh. 7 - Prob. 7.22PCh. 7 - Prob. 7.23PCh. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - Prob. 7.26PCh. 7 - Prob. 7.27PCh. 7 - Prob. 7.28PCh. 7 - Prob. 7.29PCh. 7 - For Problems 7.30 through 7.32 the observed...Ch. 7 - Prob. 7.31PCh. 7 - Prob. 7.32PCh. 7 - Prob. 7.33PCh. 7 - Prob. 7.34PCh. 7 - Prob. 7.35PCh. 7 - Prob. 7.36PCh. 7 - Prob. 7.37PCh. 7 - Prob. 7.38P
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- The magnetic bearing of line AB was observed to be S 30° E, when the declination was 2° west. Point C was sighted from B and the deflection angle 10° (L) was observed. What is the true azimuth of line CB?arrow_forwardAZIMUTH 1. Convert N 45 36' E to its equivalent azimuths 2. Convert S 65 15' E to its equivalent azimuths Warrow_forwardA is a point having an elevation of 125.64 m., B and C are points of unknown elevation, B is in between A andC. By means of an instrument set 1.45 m above B, vertical angles are observed, that to A being an angle of-14º45' and that to C being an angle of +8º32'. The horizontal distance AB is 547.20 and the horizontaldistance BC is 923.43 m. Making due allowance for earth’s curvature and atmospheric refraction, computethe difference in elevation between A and B.arrow_forward
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