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 30
... describe 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 , parallel to CD . 30 GEOMETRICAL PROBLEMS .
... describe 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 , parallel to CD . 30 GEOMETRICAL PROBLEMS .
Página 31
... equal to DE , and through B and H draw the line BH ; then will the angle HBG be equal to the angle A. PROBLEM VII . To bisect any right lined angle BAC , Fig . 24 . In the lines AB and AC , from the point A , set off equal distances AD ...
... equal to DE , and through B and H draw the line BH ; then will the angle HBG be equal to the angle A. PROBLEM VII . To bisect any right lined angle BAC , Fig . 24 . In the lines AB and AC , from the point A , set off equal distances AD ...
Página 32
... equal parts ; divide the lines EB , and FC , each into ten equal parts , and from the points of division on the line EB , draw diagonals to the points of division on the line FC : thus join E and the first division on FC , the first ...
... equal parts ; divide the lines EB , and FC , each into ten equal parts , and from the points of division on the line EB , draw diagonals to the points of division on the line FC : thus join E and the first division on FC , the first ...
Página 33
... equal B ; join FG and draw HL paral- lel to it : then will CL be the third proportional required . PROBLEM XIV ... 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 C ...
... equal B ; join FG and draw HL paral- lel to it : then will CL be the third proportional required . PROBLEM XIV ... 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 C ...
Página 34
... equal B ; bisect CE in F , and with the centre F and radius FC or FE describe the semicircle CGE ; draw DG ... equal C and FE equal D ; join EB and draw FG parallel to it ; then AG will have to GB the same ratio that has to D. D A E F B ...
... equal B ; bisect CE in F , and with the centre F and radius FC or FE describe the semicircle CGE ; draw DG ... equal C and FE equal D ; join EB and draw FG parallel to it ; then AG will have to GB the same ratio that has to D. D A E F B ...
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