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
9 : in which the side AC opposite to the + 19. An obtuse angled triangle has one obtuse angle right angle is called the hypothenuse . GEOMETRY . Logarithms, Page 9 Geometrical Definitions,
9 : in which the side AC opposite to the + 19. An obtuse angled triangle has one obtuse angle right angle is called the hypothenuse . GEOMETRY . Logarithms, Page 9 Geometrical Definitions,
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Any quadrilateral , whose opposite sides are parallel , is called a parallelogram , as D , Fig . 11 . 24. A parallelogram , whose angles are all right angles , is called a rectangle , as E , Fig . 12 . 25. A parallelogram whose sides ...
Any quadrilateral , whose opposite sides are parallel , is called a parallelogram , as D , Fig . 11 . 24. A parallelogram , whose angles are all right angles , is called a rectangle , as E , Fig . 12 . 25. A parallelogram whose sides ...
Página 42
The line of sines , marked Sin . is numbered from the left hand of the scale towards the right , 1 , 2 , 3 , 4 , & c . to 10 , then 20 , 30 , 40 , & c . to 90 , where it terminates , just opposite 10 on the line of numbers . Tangents .
The line of sines , marked Sin . is numbered from the left hand of the scale towards the right , 1 , 2 , 3 , 4 , & c . to 10 , then 20 , 30 , 40 , & c . to 90 , where it terminates , just opposite 10 on the line of numbers . Tangents .
Página 43
If two right lines cut one another , the opposite angles will be equal : thus AEC = BED and AED = CEB . Fig . 36 . 4. The sum of the three angles of a plane triangle is equal to two right angles , or 180 ° . 5.
If two right lines cut one another , the opposite angles will be equal : thus AEC = BED and AED = CEB . Fig . 36 . 4. The sum of the three angles of a plane triangle is equal to two right angles , or 180 ° . 5.
Página 44
posite angles : thus the external angle CBD , of the triangle ABC , is equal to the sum of the internal and opposite angles A and C. Fig . 37 . a 10. The angle at the centre of a circle is double of the angle at the circumference ...
posite angles : thus the external angle CBD , of the triangle ABC , is equal to the sum of the internal and opposite angles A and C. Fig . 37 . a 10. The angle at the centre of a circle is double of the angle at the circumference ...
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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 Co-sine Co-tang column decimal Deg Dist degrees DEMONSTRATION Dep Lat departure corresponding diff difference of latitude 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 ratio given side John Gummere Lat Dep latitude and departure length logarithm measured meridian distance natural number off-sets parallel parallelogram perches perpendicular perpendicular BC quired quotient radius rectangle remainder Required the area right angle right line right-angled triangle RULE Secant semiperimeter side AB side AC sine square root station stationary line subtract survey tance Tang Tangent tract of land trapezium trapezoid triangle ABC trigonometry ܟܬ
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 |