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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
92 area PBC =10.106. 2 area P^iD = PA x PB sin APB.logP^l =0.63815 logPD =0.63332 log sin APB = 9.97252log 2 area P^ID = 1.243992 area P.4D =17.538. 2AP^1D=12.8242 A PCD = 6.84122 A PBC =10.1062APAB = 17.5382ABCD =47.3092 ABCD =23.6546.23.6546 sq. ch. = 2.36546 a. = 2 a. 58£p,, nearly. 296… … 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.Trigonometry · Surveying · Navigation
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