A REVERSE CURVE has non-parallel tangents. The common tangent of the reverse curve has a length of 1,550 meters. The angle of intersection of first curve is 47 degrees and its middle ordinate is equal to 85.40 meters. If the radius of the first curve is twice as long as the radius of the second curve, how far is Point PT of he reverse curve from its PC? Use arc basis.

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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.