A treatise on surveying and navigation: uniting the theoretical, practical, and educational features of these subjects (1857)
Robinson, Horatio N[elson], 1806-1867. [from old catalog] · Cincinnati, J. Ernst; Toledo, Anderson, Burr, & co. · leaf 139
dgenerally it will be best to run a line fromP to one of the opposite angular points. In this figure, let PE represent such a random line, and let thesurveyor compute the area of the figure PAFE, thus cut off, whicharea will be equal to, or greater, or less than one of the requiredparts. We will… … Then, iPExsm.PEG=t Whence, 2tPEsin. PEG DIVISION OF LANDS. 137 This determines the point G, and PG divides the polygon asrequired. Case 2. When the given point is within the polygon. Let AB GDEF be the polygon as before, and (mc-\-nc) expressits numerical area ; also, let P be the given point…
Surveying · Navigation
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