Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn & company · leaf 212
. To divide a triangular field into two parts having agiven ratio, by a line through a given vertex. A Let ABC (Fig. 29) be the triangle, and A thegiven vertex. Divide BC at D, so that —— equals the given ratio, and join A and D. ABJD and ADC wibe the parts required ; for ABD : ADC: : BD : DC.… … 40 SURVEYING. Problem 3. To divide any field into two parts having a givenratio, by a line through a given point inthe perimeter. Let ABODE (Fig. 31) represent the field,P the given point, and PQ the required divi-sion line. The areas of the whole field and of therequired parts having been…
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