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 32
... draw AD and CD , then will ABCD be the square required . PROBLEM X. To describe a circle that shall pass through the ... Draw the indefinite right line AP , making an angle with AB , also draw BQ parallel to AP , in each of which , take ...
... draw AD and CD , then will ABCD be the square required . PROBLEM X. To describe a circle that shall pass through the ... Draw the indefinite right line AP , making an angle with AB , also draw BQ parallel to AP , in each of which , take ...
Página 33
... Draw two right lines , CD , CE B containing any angle ; make CF A equal A , and CG , CH each equal B ; join FG and draw HL paral- lel to it : then will CL be the third proportional required . PROBLEM XIV . D H E G L To find a fourth ...
... Draw two right lines , CD , CE B containing any angle ; make CF A equal A , and CG , CH each equal B ; join FG and draw HL paral- lel to it : then will CL be the third proportional required . PROBLEM XIV . D H E G L To find a fourth ...
Página 34
... Draw any right line CE and in it take CD equal A , and DE equal B ; bisect CE in F , and with the centre F and radius FC or FE describe the semicircle CGE ; draw DG perpendicular to CE : then DG will be a mean propor . tional between A ...
... Draw any right line CE and in it take CD equal A , and DE equal B ; bisect CE in F , and with the centre F and radius FC or FE describe the semicircle CGE ; draw DG perpendicular to CE : then DG will be a mean propor . tional between A ...
Página 36
... drawn from the centre through the other end : thus AG is the tangent of the arc AB , Fig . 31 . 10. The secant of an arc , is the right line drawn from the centre and terminating the tangent ; thus CG is the secant of AB , 31 . 11. The ...
... drawn from the centre through the other end : thus AG is the tangent of the arc AB , Fig . 31 . 10. The secant of an arc , is the right line drawn from the centre and terminating the tangent ; thus CG is the secant of AB , 31 . 11. The ...
Página 37
... draw CD perpendicular to AB and produce it to F ; draw BE parallel to CF and join AD . Divide the arc AD into nine equal parts as A , 10 ; 10 , 20 ; & c . and with one foot of the dividers in A , transfer the distances A , 10 ; A , 20 ...
... draw CD perpendicular to AB and produce it to F ; draw BE parallel to CF and join AD . Divide the arc AD into nine equal parts as A , 10 ; 10 , 20 ; & c . and with one foot of the dividers in A , transfer the distances A , 10 ; A , 20 ...
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