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New plane and spherical trigonometry, surveying, and navigation (1903)
Wentworth, G. A. (George Albert), 1835-1906 · Boston : Ginn & Company · leaf 305
2 area AFF =4x6 =24. 2 area FEEF = 5 (6 4- 6.5) = 62.5 2 area EED =6.5x5 = 32.5 2 area ^£5 =6.5x7 = 45.52 areaBCCB =3.5(7 + 6.75) = 48.125 2 area CDC7 = 6.75 x 4 = 27. 2 area ABCDEF = 239.625 area, ABCDEF = 119.8125 119.8125 sq. ch. = 11.98125 a. = 11 a. 157 p. … 9. Required the area of the fieldAGBCD (Fig. 32, p. 260), if thediagonal AC = 5, BB (the per-pendicular from B to AC) = 1,DD (the perpendicular from Dto AC) = 1.60, ^J£ = 0.25, FF= 0.25, ££ = 0.60, HH = 0.52, inr = 0.54, ..or = 0.2, EF = 0.50, F^ = 0.45, <?# = 0.46,SlT = 0.60, and 2TJ5 = 0.40. =…Trigonometry · Surveying · Navigation
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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