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 |
Dentro del libro
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Página 25
... right line , is the shortest line that can be drawn between any two points . 5. A superficies or surface has length ... angle is the inclination of two straight lines to one another , which meet together , but are not in the same ...
... right line , is the shortest line that can be drawn between any two points . 5. A superficies or surface has length ... angle is the inclination of two straight lines to one another , which meet together , but are not in the same ...
Página 26
... as ABC , Fig . 6 . 18. A right angled triangle has one right angle , as ABC , Fig . 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 .
... as ABC , Fig . 6 . 18. A right angled triangle has one right angle , as ABC , Fig . 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 .
Página 27
... angled triangle has one obtuse angle , as C , Fig . 10 . 20. An acute angled triangle has all its angles acute , as ABC , Fig . 6 . ! 21. Acute and obtuse angled triangles are called oblique angled triangles . 22. Any plane figure bounded ...
... angled triangle has one obtuse angle , as C , Fig . 10 . 20. An acute angled triangle has all its angles acute , as ABC , Fig . 6 . ! 21. Acute and obtuse angled triangles are called oblique angled triangles . 22. Any plane figure bounded ...
Página 31
... right line LG , to make an angle equal to a given angle A , Fig . 23 . With the centre A and any distance AE , describe the arc DE , and with the same distance and centre B de- scribe the arc FG ; make HG equal to DE , and through B ...
... right line LG , to make an angle equal to a given angle A , Fig . 23 . With the centre A and any distance AE , describe the arc DE , and with the same distance and centre B de- scribe the arc FG ; make HG equal to DE , and through B ...
Página 32
... right line AP , making an angle with AB , also draw BQ parallel to AP , in each of which , take as many equal parts ... right angles by the equidistant lines BC ; EF ; 1 , 9 ; 2 , 7 ; & c . then will BC , & c . be divided into ten ...
... right line AP , making an angle with AB , also draw BQ parallel to AP , in each of which , take as many equal parts ... right angles by the equidistant lines BC ; EF ; 1 , 9 ; 2 , 7 ; & c . then will BC , & c . be divided into ten ...
Términos y frases comunes
ABCD ABFD acres adjacent adjacent angles angle ABC angle opposite angled triangle azimuth base bearing and distance breadth Calculation centre Co-secant Secant Co-sine Co-tang column decimal degrees 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 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 semiperimeter side AB side AC sine square root station stationary line subtract tance Tang Tangent tract of land trapezium trapezoid triangle ABC trigonometry