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 6-10 de 14
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
... ratio of the part to be cut off , to the whole triangle ; draw FE perpendicular to AB , meeting the semicircle in E , join AE , and make AD equal to AE ; from D draw DG parallel to BC and the thing is done . For , join EB and we have ...
... ratio of the part to be cut off , to the whole triangle ; draw FE perpendicular to AB , meeting the semicircle in E , join AE , and make AD equal to AE ; from D draw DG parallel to BC and the thing is done . For , join EB and we have ...
Página 178
... ratio , by a line DE , running parallel to one of the sides as BC . RULE . As the sum of the numbers expressing the ratio of the parts , Is to the greater or less of them , according as the greater So is the square of AB , To the square ...
... ratio , by a line DE , running parallel to one of the sides as BC . RULE . As the sum of the numbers expressing the ratio of the parts , Is to the greater or less of them , according as the greater So is the square of AB , To the square ...
Página 179
... ratio of the part DBCE to the part ADE ; draw LM perpendicular to AB , meeting the semicircle in M , and make AD = AM ; parallel to BC , draw DE which will divide the triangle in the given ratio . For ( 31,3 , and cor . 8.6 . ) AB : AM ...
... ratio of the part DBCE to the part ADE ; draw LM perpendicular to AB , meeting the semicircle in M , and make AD = AM ; parallel to BC , draw DE which will divide the triangle in the given ratio . For ( 31,3 , and cor . 8.6 . ) AB : AM ...
Página 180
... ratio , by a line EF running a given course . Let DG , parallel to BC , be a line dividing the trian- gle in the given ratio and by the preceding problem find the square of the distance AD . Then , As the rectangle of the sines of the ...
... ratio , by a line EF running a given course . Let DG , parallel to BC , be a line dividing the trian- gle in the given ratio and by the preceding problem find the square of the distance AD . Then , As the rectangle of the sines of the ...
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