New plane and spherical trigonometry, surveying, and navigation (1903)
Wentworth, G. A. (George Albert), 1835-1906 · Boston : Ginn & Company · leaf 306
. = 0.25 x 0.2 = 0.05 = 0.5(0.25 + 0.25)= 0.25= 0.45(0.25 + 0.6)= 0.3825 0.504 0.636 2 area ADCB 2 area AEE 2 area EEFF 2 area FFGG 2 area GGHH = 0.45 (0.6 + 0.52) = 2 area HHKK =0.6 (0.52 + 0.54) 2 area KKB = 0.4 x 0.54 = 0.216 2 area ADCBKHGFEarea ADCBKHGFE 15.0385: 7.51925. TEACHERS EDITION. 297… … 2 area ^4DCf = 3 x 5 x sin 45° = 3 x 5 x 0.7071 = 10.60652 area ABC = 5 x 6 x sin 30° =5x6x0.5 =15.Z&ve&HGB = 0.75 x (6 - 2.53) = 0.75 x 3.47 = 2.6025 . 2nrenADCBGHA2 area ^L J£E =0.75x0.62 area EEFF = 1.5 (0.6 + 0.4)2 area PF# = 0.4 x 0.28 . 2 area AEFHA . 2 area, AGBCDarea -46? P CD 0.45…
Trigonometry · Surveying · Navigation
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