Bearing for line EA and internal angles for the corners of the following traverse are given. Begin from point E and moving clockwise 1. Determine the azimuths of lines ED, DC, CB, BA, AE and EA (do not forget, first you have to convert the given bearing to azimuth). 2. Is the azimuth for EA the same as given? If not, calculate the error that occurs at EA. 3. For each side (ED, DC, CB, BA and AE) calculate the bearing. A N 68°39'39" E 129°36'45" E 87°35'45" 114°29'00" B 115°05'08" 93°13'22"

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Coordinate Geometry of Survey

Coordinate geometry (COGO) is a method of inserting surveying or engineering data into geographic information system (GIS), computer-aided design (CAD), or mapping software. These data can be collected on the proposed construction site using standard surveying techniques and instrumentation or may be taken from existing maps, engineering plans, drawings, or records. Data gathered on the site includes coordinates of points, bearings, and distances between points. The data are noticed and noted through conventional surveying procedures, like a traverse or layout measurement series and it can be either digital or non-digital. The maps and plans are inclusive of boundaries, divisions, and other components, and these features are shown with coordinate values, the lengths, offset distance, and bearings between them.