An unsymmetrical parabolic summit curve AB has a slope of +7% on the back tangent and -4% on the forward tangent. The length of the curve on the side of the back tangent is 60 m. and 40 m. on the side of the forward tangent. How far is the highest point of the curve from B. The vertical offset at the intersection of the tangents from the curve, H = 1.32 m.   A 42.24 m B. 24.24

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