A Treatise on Surveying,: Containing the Theory and Practice: : to which is Prefixed a Perspicuous System of Plane Trigonometry. : The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. : Particularly Adapted to the Use of SchoolsKimber and Sharpless, no. 93, Market Street, and John Richardson, no. 244, Market Street., 1820 - 206 páginas |
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Página 26
... side equal , then each of those angles is called a right angle and the line which stands on the other is said to be perpendicular to it . Thus ADC and BDC are right angles , and the line CD is perpendicular to AB ... AB , CD , Fig . 5 . 13. A ...
... side equal , then each of those angles is called a right angle and the line which stands on the other is said to be perpendicular to it . Thus ADC and BDC are right angles , and the line CD is perpendicular to AB ... AB , CD , Fig . 5 . 13. A ...
Página 29
... AB , Fig . 18 . Open the dividers to any distance more than half the line AB , and with one foot in A , describe the ... side , the equal dis- GEOMETRY . 29 Geometrical Problems,
... AB , Fig . 18 . Open the dividers to any distance more than half the line AB , and with one foot in A , describe the ... side , the equal dis- GEOMETRY . 29 Geometrical Problems,
Página 43
... side of AB would also be equal to two right angles , the sum of all the angles formed about a point is equal to four right angles or 360 ° . 3. If two right lines cut one another , the opposite an- gles will be equal : thus AEC BED and ...
... side of AB would also be equal to two right angles , the sum of all the angles formed about a point is equal to four right angles or 360 ° . 3. If two right lines cut one another , the opposite an- gles will be equal : thus AEC BED and ...
Página 44
... side of any plane triangle being given , to find the other sides . RULE . As the sine of the angle opposite the ... AB let fall the perpendiculars CD and FE , which 44 PLANE TRIGONOMETRY .
... side of any plane triangle being given , to find the other sides . RULE . As the sine of the angle opposite the ... AB let fall the perpendiculars CD and FE , which 44 PLANE TRIGONOMETRY .
Página 45
... side AB = 98 ; * required the sides AC and BC . By Construction , Fig . 41 . Make AB equal to 98 by a scale of equal parts , and draw AC , making the angle A = 32 ° 15 ′ ; also make the angle B = 114 ° 24 ' and produce BC , AC , till ...
... side AB = 98 ; * required the sides AC and BC . By Construction , Fig . 41 . Make AB equal to 98 by a scale of equal parts , and draw AC , making the angle A = 32 ° 15 ′ ; also make the angle B = 114 ° 24 ' and produce BC , AC , till ...
Términos y frases comunes
ABCD ABFD acres adjacent adjacent angles angle ABC angle opposite angled triangle base bearing and distance breadth Calculation centre Co-secant Secant Co-sine Co-tang column cube root decimal DEMONSTRATION departure corresponding diff difference of latitude Dist divide division line draw equal EXAMPLES feet figures find the angle find the area four-pole chains fourth term given angle given area given bearing given number given ratio given side John Gummere Lat Dep latitude and departure length logarithm M.
M. Sine measured meridian distance natural number off-sets parallel parallelogram perches perpendicular quired quotient radius rectangle remainder Required the area right angle right line right-angled triangle RULE semiperimeter side AB side AC square root station stationary line subtract survey tance Tang tangent tract of land trapezium trapezoid triangle ABC trigonometry
Información bibliográfica
| Título | A Treatise on Surveying,: Containing the Theory and Practice: : to which is Prefixed a Perspicuous System of Plane Trigonometry. : The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. : Particularly Adapted to the Use of Schools |
| Autor | John Gummere |
| Edición | 3 |
| Editor | Kimber and Sharpless, no. 93, Market Street, and John Richardson, no. 244, Market Street., 1820 |
| Procedencia del original | Biblioteca Pública de Nueva York |
| Digitalizado | 12 Abr. 2011 |
| Largo | 206 páginas |
| Exportar cita | BiBTeX EndNote RefMan |