25. A rectangular building is 15m long by 11m wide. A concrete path of constant width is laid all the way around the building. If the area of the path is 60.0m2, calculate its width. A. 1.066 m C. 1.158 m B. 1.105 m D. 0.954 m 26. A 3.5-degree simple curve has a central angle of 15.8°. What is the external distance in meters? A. 12.36 m C. 3.14 m D. 6.87 m B. 8.54 m 27. A solid metal cylinder of radius 8 cm and height 18 cm is a melted down and recast into a shape comprising a hemisphere surmounted by a cone Assuming that 6% of the motal in

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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.