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
Resultados 1-5 de 11
Página 29
... Ratio is a mutual relation between two quantities of the same kind with respect to magnitude . Note . A ratio is ... given point A , in a right line EF , to erect a per- pendicular , Fig . 19 . tances AC , AD ; from C and D , From the ...
... Ratio is a mutual relation between two quantities of the same kind with respect to magnitude . Note . A ratio is ... given point A , in a right line EF , to erect a per- pendicular , Fig . 19 . tances AC , AD ; from C and D , From the ...
Página 34
... given right line AB into two parts that shall have the same ratio to each other as two given lines C and D. Draw AE making any angle with AB ; in AE take AF equal C and FE equal D ; join EB and draw FG parallel to it ; then AG will have ...
... given right line AB into two parts that shall have the same ratio to each other as two given lines C and D. Draw AE making any angle with AB ; in AE take AF equal C and FE equal D ; join EB and draw FG parallel to it ; then AG will have ...
Página 154
... given ratio . RULE . As the less number of the given ratio , Is to the greater ; So is the given area , To a fourth term * . The square root of this fourth term will be the length required . Having the length , the breadth may be found ...
... given ratio . RULE . As the less number of the given ratio , Is to the greater ; So is the given area , To a fourth term * . The square root of this fourth term will be the length required . Having the length , the breadth may be found ...
Página 155
... ratio of 9 to 7. Ans . Length 75.725 P. Breadth 58.897 . P. PROBLEM IV . To lay out a given quantity of land in a rectangular form , having the length to exceed the breadth by a given dif- ference . RULE . To the given area , add the ...
... ratio of 9 to 7. Ans . Length 75.725 P. Breadth 58.897 . P. PROBLEM IV . To lay out a given quantity of land in a rectangular form , having the length to exceed the breadth by a given dif- ference . RULE . To the given area , add the ...
Página 161
... Given the area of the triangle ABC , Fig . 90 , 500 square perches , and the base AB 40 perches ; it is re- quired ... ratio of the part to be cut off , to the whole triangle ; draw FE perpendicular to AB , meeting the semicircle in E ...
... Given the area of the triangle ABC , Fig . 90 , 500 square perches , and the base AB 40 perches ; it is re- quired ... ratio of the part to be cut off , to the whole triangle ; draw FE perpendicular to AB , meeting the semicircle in E ...
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