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 26
... Parallel straight lines are those which are in the same plane , and which , being produced ever so far both ways , do not meet , as AB , CD , Fig . 5 . 13. A figure is a space bounded by one or more lines . 14. A plane triangle is a ...
... Parallel straight lines are those which are in the same plane , and which , being produced ever so far both ways , do not meet , as AB , CD , Fig . 5 . 13. A figure is a space bounded by one or more lines . 14. A plane triangle is a ...
Página 27
... parallel sides is called a trapezoid . 30. A right line joining any two opposite angles of a quadrilateral figure , is called a diagonal . 31. That side upon which any parallelogram , or trian- gle is supposed to stand , is called the ...
... parallel sides is called a trapezoid . 30. A right line joining any two opposite angles of a quadrilateral figure , is called a diagonal . 31. That side upon which any parallelogram , or trian- gle is supposed to stand , is called the ...
Página 30
... the arc AE , and with the same distance and centre A describe the arc FG ; make FB equal to AE , and through A and B draw the line AB , and it will be PROBLEM VI . At a given point B , in parallel to CD . : 30 GEOMETRICAL PROBLEMS .
... the arc AE , and with the same distance and centre A describe the arc FG ; make FB equal to AE , and through A and B draw the line AB , and it will be PROBLEM VI . At a given point B , in parallel to CD . : 30 GEOMETRICAL PROBLEMS .
Página 32
... parallel to AP , in each of which , take as many equal parts AM , MN , & c . Bo , on , & c . as the line AB is to be divided into ; then draw Mm , Nn , & c . intersecting AB in E , F , & c . and it is done . PROBLEM XII . To make a ...
... parallel to AP , in each of which , take as many equal parts AM , MN , & c . Bo , on , & c . as the line AB is to be divided into ; then draw Mm , Nn , & c . intersecting AB in E , F , & c . and it is done . PROBLEM XII . To make a ...
Página 33
... ; make DG C equal A , DH equal B and DL equal C ; join GH and draw LM parallel to it : DM will be a fourth proportional to A , B and L G C. D F HM E. PROBLEM XV . To find a mean proportional between two GEOMETRICAL PROBLEMS . 33.
... ; make DG C equal A , DH equal B and DL equal C ; join GH and draw LM parallel to it : DM will be a fourth proportional to A , B and L G C. D F HM E. PROBLEM XV . To find a mean proportional between two GEOMETRICAL PROBLEMS . 33.
Términos y frases comunes
ABCD ABFD acres adjacent adjacent angles angle ABC angle opposite angled triangle azimuth base bearing and distance breadth Calculation centre Co-secant Secant Co-sine Co-tang column decimal degrees 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 ratio given side John Gummere Lat Dep latitude and departure length logarithm measured meridian distance natural number off-sets parallel parallelogram perches perpendicular perpendicular BC quired quotient radius rectangle remainder Required the area right angle right line right-angled triangle RULE semiperimeter side AB side AC sine square root station stationary line subtract tance Tang Tangent tract of land trapezium trapezoid triangle ABC trigonometry