A treatise on surveying and navigation: uniting the theoretical, the practical, and the educational features of these subjects (1852)
Robinson, Horatio N[elson], 1806-1867. [from old catalog] · Cincinnati, J. Ernst · leaf 129
merical value of AB, and ofn and m, we can find that of AD, and from D draw DE parallelto BO, and the triangle is divided as required. Case 3. By a line parallel to a given line, or by a line running ina given direction. To make this case clear, we commence by giving a definite ex-ample : There is… … DIVISION OF LANDS. 125 triangle into two parts in the ratio 2 to 3, by a line running due eastand west. Let ABC be the given triangle, and BCthe required division line. It is required tofind the numerical value of A C or AB, tomake the area ABC § of the area ABC. Let b represent the side of the…
Surveying · Navigation
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