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" CF was measured, not in the direction DC, equal to 200 yards, and from D a distance DE equal to 200 yards, and the following angles taken, C AFC = 83 00', BDE = 54 30', viz., \ACD- 53 30', BDC = 156 25', [ACF= 54 31', BED = 88 30'. "
The Civil-engineer & Surveyor's Manual - Page 50
by Michael McDermott - 1879 - 586 pages
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Elements of Plane and Spherical Trigonometry

Olinthus Gregory - Plane trigonometry - 1816 - 278 pages
...A, B, and c, whose distances from each other were known (viz. AB = 800, AC = 600, BC = 400 yards), 1 took the horizontal angles APC — 33 45', BPC =...to determine the respective distances of my station from each object. Here it will be necessary, as preparatory to the computation, to describe the manner...
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Elements of Plane and Spherical Trigonometry: With Their Applications to ...

Olinthus Gregory - Plane trigonometry - 1816 - 276 pages
...What is the height of the object > Ans. 44 '46 yards. EXAMPLE XVII. From a convenient station p, where could be seen three objects A, B, and c, whose distances from each other were known (viz. AB = 800, AC = GOO, BC = 400 yards), I took the horizontal angles A PC = 33 45', BPC...
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Mathematical and Astronomical Tables: For the Use of Students of Mathematics ...

William Galbraith - Astronomy - 1827 - 412 pages
...ABG=70 37' 8", FAE or AGB=40 28' 16", BG =55.673 ; and the height 96.392 feet. EXAMPLE XXIII. Prom a convenient station P, there could be seen three objects A, B, and C, whose distance from each other were AB=8 miles, AC=6 miles, BC=4 miles; I took the horizontal angles APC=33...
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Elements of Surveying: With the Necessary Tables

Charles Davies - Surveying - 1830 - 318 pages
...25,BDE=54 30', and BED=88 30'. Required AB. Ans, 345.5, Example 6. — From a station P there can be seen three objects, A, B, and C, whose distances from each other are known, viz. AB=800, AC=600, and BC=400 yards. Now there are measured the horizontal angles APC=33...
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Mathematical and Astronomical Tables: For the Use of Students in Mathematics ...

William Galbraith - Astronomy - 1834 - 454 pages
...or ABG=70 37' 8", FAE or AGB=40 28' 16", BG=55.673 ; and the height 96.392 feet. EXAMPLE XXIV. From a convenient station P, there could be seen three objects A, B, and C, whose distance from each other were AB=8 miles, AC=6 miles, BC=4 miles; I took the horizontal angles APC=33...
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Mathematics for Practical Men: Being a Common-place Book of Principles ...

Olinthus Gregory - Mathematics - 1834 - 484 pages
...simpler computation) and may usually be employed. , • EXAMPLE X. From a convenient station p, where could be seen three objects, A, B, and c, whose distances from each other were known (viz.- AB = 800, A c = 600, B c = 400 yards), I took the horizontal angles A psc = 33 45',...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1836 - 394 pages
...30', and BED=88 30' : required the distance AB. Ans. 345.46 yards. 8. From a station P there can be seen three objects, A, B and C, whose distances from each other are known, viz. AB= 800, AC = 600, and BC=400 yards. There are also measured the horizontal angles,...
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Elements of Surveying: Including a Description of the Instruments and the ...

Charles Davies - Navigation - 1837 - 342 pages
...CD=.53 30' BnC=15G'25' 154 31' BED=8S 30' .flns. AB— 345.467 yards. 6. From a station P there can be seen three objects A, B and C, whose distances from each other are known : viz. .#.8 = 800, ^C=600, and BC = 400 yards. Now, there are measured the horizontal angles...
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - Surveying - 1839 - 376 pages
...yards, and and the following vz. 00' ' 30' 31' = 5i 30' BED=SB dns. 6. From a station P there can be seen three objects A, B and C, whose distances from each other are known : viz. .5.5=800, AC=GOO, and BC -=400 yards. Now, there are measured the horizontal angles...
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Elements of Surveying: With a Description of the Instruments and the ...

Charles Davies - Surveying - 1839 - 376 pages
...equal to 200 yards, and the following angles taken, 31' BED=88 30' 6. From a station P there can be seen three objects A, B and C, whose distances from each other are known : viz. AB = 800, .#C=600, and BC ==400 yards. Now, there are measured the horizontal angles...
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