a proposed highway has two tangents of bearings n 45⁰ 54′ 36″ e and n 1⁰ 22′ 30″ w. the highway design engineer, attempting to obtain the best fit for the simple circular curve to join these tangents, decides that the external ordinate is to be 13.1 m. the pi is at station 2+000 determine: (i) the central angle of the curve (ii) the radius of the curve (iii) the length of the tangent of the curve (iv)the station of the pc (v) the length of the curve (vi) the station of the pt (vii) the chord length
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