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 127
m … Whence, AD=-^(AB) and ££=~(A1S) Now the two parts are numerically known, and are to each other asm to n. Triangles, having the the same altitudes, are to oneanother as their bases. Therefore, ADO: CDB : : m : n as re-quired. Case 2. By a line parallel to one of itssides. Let DE divide the triangle…
Surveying · Navigation
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