A system of geometry and trigonometry : with a treatise on surveying (1830)
Flint, Abel, 1765-1825, Gillet, George, Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Hartford : Cooke & Co. · leaf 80
se to be 70 rods ; divide 140by 35 the half of DG, and the quotient 4 will be the length ofthe perpendicular cf a triangle, whose base is 70 and the area140. Lay off 4 rods from G to I, and draw the line DI, whichwill be the dividing line.* Example II. See Fig. 68. Let ABCD, &c. be a tract… … • FIELD Rods. BOOK. Rods AB. N. 19° 0 E. 108 FG-. West 70.9 BC. S. 77 0 E. 91 GH. N. 36° 0 W. 47 CD. s. 27 0 E. 115 HI. North 64.3 DE. s. 52 0 W. 58 I A. N. 62 15 W. 59 EF. s. 15 30 E. 76 Acres Rood RodsWhole area 152 — 1 — 25 Find the area of the part IABC, according to section III.page 57, as…
Surveying · Geometry · Trigonometry
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
