TRAVERSE:

Given:

Instrument set up at point B backsighting point A and to calculate the co$-$ordinates and elevation of point $N($foresight$)$

Direction $A$ to $B=160$:$40$:$23$

Horizontal clockwise angle ABN$=187$:$00$:$00$

Inclined angle $B$ to $N=-16$:$17$:$20$

Inclined measured distance $B$ to $N=57,633m$

Co$-$ordinates of $B=+10,000,-20,000$

Elevation of $B=-1276\mathrm{.}333m$

Instrument Height at B $=1\mathrm{.}234m$

Target Height at $N=0\mathrm{.}950m$