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 126
area of all these trapezoids that arebounded by one line, is to be found in Prob. VIII, Mensuration.The area of the right fined figure ABCDEFG, is found as directedin Chapter IV, to which add the area of all the trapezoids, and weshall have the area of the whole. We have now investigated every… … 124 SURVEYING. PROBLEM I. To divide a triangle into two parts, having a given ratio of m to n. Case 1. By a line drawn from one angleto its opposite side. Let ABC represent the triangle; divideits base into two parts, corresponding to thegiven ratio, and let AD be one of the parts;then we shall…
Surveying · Navigation
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