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 131
128 SURVEYING. required to draw PD, so that the triangle BPD, shall be the nthpart of ABC. That is Whence, BD- nBO. AG … nPQ Case. 6. When the given point is without the triangle. Let ABC be the given triangle, and P any given point withoutit. It is required to run a line from P, to cut off a given portion ofthe triangle ABC, or (which is the same thing) to divide the tri-angle into two parts having the ratio of m to…
Surveying · Navigation
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