A system of geometry and trigonometry, with a treatise on surveying; in which the principles of rectangular surveying, without plotting, are explained (1835)
Flint, Abel, 1765-1825, Gillet, George · Hartford, Belknap & Hamersley; New York, Cooke & Co. · leaf 77
is to the whole base ; so is thegiven number of acres; to their part of the base. Fig. 66. Example. See Fig. 66. In the triangle ABC, which contains 48 acres, it is requiredto cut off 18 acres, by a line proceeding from C to the baseAB, Avhich is 40 chains. As 48 : 40 : : 18 : 15 Lay 15 chains on… … Example I. See Fig. 67. Let ABCD, &c. be the plot of a field containing 11 acres,from which it is required to cut off 5 acres. Join two opposite corners of the field as D and G, Avith theline DG (which you may judge to be near the partition line)and find the area of the part DEFG, which,…
Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
