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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

## 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...

## 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...

## 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°...

## 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°...

## 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°...

## 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',...

## 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,...

## 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...