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 27
That side upon which any parallelogram , or trian- . gle is supposed to stand , is called the base ; and the perpendicular falling thereon from the opposite angle is called the altitude of the parallelogram , or triangle . GEOMETRY .
That side upon which any parallelogram , or trian- . gle is supposed to stand , is called the base ; and the perpendicular falling thereon from the opposite angle is called the altitude of the parallelogram , or triangle . GEOMETRY .
Página 28
Thus AD is ihe base of the parallelogram ABEC , or triangle ABC , and CD is the altitude . Fig . 15 . 32. All plane figures contained under more than four sides , are called polygons ; of which those having five sides , are called ...
Thus AD is ihe base of the parallelogram ABEC , or triangle ABC , and CD is the altitude . Fig . 15 . 32. All plane figures contained under more than four sides , are called polygons ; of which those having five sides , are called ...
Página 43
The angles at the base of an isosceles triangle are equal to one another . 9. If one side of a triangle be produced , the external angle will be equal to the sum of the two internal and opposite angles : thus the external angle CBD ...
The angles at the base of an isosceles triangle are equal to one another . 9. If one side of a triangle be produced , the external angle will be equal to the sum of the two internal and opposite angles : thus the external angle CBD ...
Página 44
The angle at the centre of a circle is double of the angle at the circumference , upon the same base , that is , upon the same part of the circumference : thus the angle BEC is double of the angle BAC . Fig . 38 . 11.
The angle at the centre of a circle is double of the angle at the circumference , upon the same base , that is , upon the same part of the circumference : thus the angle BEC is double of the angle BAC . Fig . 38 . 11.
Página 46
... that extent will reach , on the line of num . bers , from 98 to 95 , the side BC . 2. In the right angled triangle ABC , are given the hypothenuse AC = 480 , and the angle A = 539 8. To find the base AB and perpendicular BC .
... that extent will reach , on the line of num . bers , from 98 to 95 , the side BC . 2. In the right angled triangle ABC , are given the hypothenuse AC = 480 , and the angle A = 539 8. To find the base AB and perpendicular BC .
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Términos y frases comunes
ABCD according acres adjacent angle base bearing bearing and distance Calculation called centre circle Co-secant Co-sine Co-tang column Construction contained corresponding Courses decimal Deg Dist DEMONSTRATION describe difference distance divide division draw east equal EXAMPLES feet figures find the area given given angle given area given side greater half hand height hypothenuse join latitude and departure length less logarithm measured meeting meridian distance Note off-sets opposite parallel perches perpendicular preceding PROBLEM quotient radius ratio rectangle remainder Required the area right angle right line root RULE running scale Secant side side AC sine square station subtract survey taken Tang Tangent triangle ABC twice
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 |
| Colaboradores | John Richardson, Thomas H. Palmer, Kimber & Sharpless |
| 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 |