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The bearings of forward and backward tangent are N $15\backslash$deg $30\text{'}$ E and N $25\backslash$deg $40\text{'}$ W$,$ respectively. If the degree of curve is $2\backslash$deg for a full station of $20$m and the stationing of the vertex is $12+582\mathrm{.}50,$ determine the:a$.$ Elements of the curveb. Stationing of P$.$C$.$ and P$.$T$.$c$.$ Lengths of sub$-$chords and its corresponding sub$-$angles