PROBLEM 1: A simple curve with tangent lines each 140 meters long is laid out to form the centerline of a certain stretch of a road. If the bearing of the tangent that passes through PC is N 37° E, while the second tangent has a bearing of N 48° W, determine the: a. Radius of the curve b. Degree of the Curve

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Curve setting

A curve is a turn that is provided horizontally or vertically in the design of highways, railways, and runways. A curve connects two straight lines that are separated by the deflection angle. It helps to change the direction and alignment of the highways, railway tracks, and runways. Therefore, the gradual change in their alignment is made by using a curve to provide comfort to the passengers and this also provides an easy turn to change the direction of the moving vehicle.