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. A treatise on surveying and navigation: uniting the theoretical, the practical, and the educational features of these subjects. T Whence, x=. / (2t-\-2mcf—— ^ sin. G From x we take EC, measure off the remainder along CD, to thepoint G, there making the given angle, and the figure will be di-vided as required. Case 3. By a line drawn through a given point within the quad-rilateral. Let AB CD be the quadrilate-ral as before, and P the givenpoint within it; and as P is thegiven point, EP is a known line,and the angles PER, PEG are known. Let t equal the area of the triangle EBCt as befor
. A treatise on surveying and navigation: uniting the theoretical, the practical, and the educational features of these subjects. T Whence, x=. / (2t-\-2mcf—— ^ sin. G From x we take EC, measure off the remainder along CD, to thepoint G, there making the given angle, and the figure will be di-vided as required. Case 3. By a line drawn through a given point within the quad-rilateral. Let AB CD be the quadrilate-ral as before, and P the givenpoint within it; and as P is thegiven point, EP is a known line,and the angles PER, PEG are known. Let t equal the area of the triangle EBCt as before, and mc thearea GHCB. Put EH=x, and EG= 136 SURVEYING.
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Keywords: ., boo, bookcentury1800, booksubjectnavigation, booksubjectsurveying