The direction of the bounding side of a regular pentagonal field was surveyed with an assumed meridian 5° to the right of the north-south meridian. If the azimuth from south of one side AB as surveyed with an assumed meridian is 146°40', find the following: a. True bearing of line BC b. True azimuth of line DE c. True bearing of line AE.

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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.