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 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
... right angles , and the line CD is perpendicular to AB , Fig . 4 . 10. An acute angle is that which is less than a right angle , as BDE , Fig . 4 . 11. An obtuse angle is that which is greater than a right angle , as ADE , Fig . 4 . 12.
... right angles , and the line CD is perpendicular to AB , Fig . 4 . 10. An acute angle is that which is less than a right angle , as BDE , Fig . 4 . 11. An obtuse angle is that which is greater than a right angle , as ADE , Fig . 4 . 12.
Página 27
... 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 by four right ... right angles , is ...
... 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 by four right ... right angles , is ...
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 and ...
... 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 and ...
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 equal ...
... 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 equal ...
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