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 9
... survey , and finding its area by dividing it into triangles and trapeziums , - SECT . II . Containing three different rules for finding the areas of right - lined figures generally , when the bearings and distances of the boundaries are ...
... survey , and finding its area by dividing it into triangles and trapeziums , - SECT . II . Containing three different rules for finding the areas of right - lined figures generally , when the bearings and distances of the boundaries are ...
Página 86
... survey and finding its area by dividing it into tri- angles and trapeziums . PROBLEM I. To find the Area of a Parallelogram , whether it be a Square , a Rectangle , a Rhombus , or a Rhomboides . RULE . Multiply the length by the height ...
... survey and finding its area by dividing it into tri- angles and trapeziums . PROBLEM I. To find the Area of a Parallelogram , whether it be a Square , a Rectangle , a Rhombus , or a Rhomboides . RULE . Multiply the length by the height ...
Página 105
... Survey , and to find its area by dividing it into triangles and trapeziums . The method of doing this will be best understood by an example . Thus , Suppose the following field - notes to be given , it is required to protract the survey ...
... Survey , and to find its area by dividing it into triangles and trapeziums . The method of doing this will be best understood by an example . Thus , Suppose the following field - notes to be given , it is required to protract the survey ...
Página 106
... survey . Method 1st . Draw NS , Fig . 75 , to represent a meridian line ; then N standing for the north and S for the south , the east will be to the right hand and the west to the left . In -NS take any convenient point as A for the ...
... survey . Method 1st . Draw NS , Fig . 75 , to represent a meridian line ; then N standing for the north and S for the south , the east will be to the right hand and the west to the left . In -NS take any convenient point as A for the ...
Página 107
... survey is divided into two trapeziums AGFE , AEDB , and a triangle BDC . Measure the several bases and perpendiculars , on the same scale that was used in the protraction , and find the double areas of the triangle and trapeziums by ...
... survey is divided into two trapeziums AGFE , AEDB , and a triangle BDC . Measure the several bases and perpendiculars , on the same scale that was used in the protraction , and find the double areas of the triangle and trapeziums by ...
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