Two parallel roads 300 m. apart were connected by two equal simple curves and form a reverse curve. If the length of the intermediate tangent located between the two simple curves is 360 m. and the two curves have equal radii of 1200 m., find the central angle common to the two simple curves.  a. 20deg 34’09” b. 18deg 06’24” c. 23deg 76’52” d. 21deg 33’03”

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Highway Surveys and Location

Surveying is an operation in the civil engineering domain that requires collecting and identifying data regarding an area of land and topography. The data that is collected can be helped to plan and undertake the construction process. Civil engineers perform surveys to gather three-dimensional information regarding a particular area. Engineers specify several points on the surface of the earth and relationship between points, and the distance and angles between the points are evaluated. The data from this evaluation guides in drawing plans regarding buildings and structures.