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 19
Página 92
... square root of the side severally ; multiply the half sum and the three re- 92 MEASURING LAND .
... square root of the side severally ; multiply the half sum and the three re- 92 MEASURING LAND .
Página 93
... square root of the last product will be the area . * * DEMONSTRATION . Let ABC , Fig . 69 , be the triangle . Bisect any two of the angles , BAC , ABC , by the straight lines AG , BG , meet- ing in G ; let fall on the three sides of ...
... square root of the last product will be the area . * * DEMONSTRATION . Let ABC , Fig . 69 , be the triangle . Bisect any two of the angles , BAC , ABC , by the straight lines AG , BG , meet- ing in G ; let fall on the three sides of ...
Página 103
... square root of the quotient will be the diameter . * If two pins be set upright in a plane , and a thread , the length of which is greater than twice the distance between the pins , having the ends tied together be put about the pins ...
... square root of the quotient will be the diameter . * If two pins be set upright in a plane , and a thread , the length of which is greater than twice the distance between the pins , having the ends tied together be put about the pins ...
Página 152
... square form . RULE . Reduce the given quantity to chains or perches , and extract the square root , which will be the length of a side , of the same denomination to which the given quan- tity is reduced . EXAMPLES . 1. Required the side ...
... square form . RULE . Reduce the given quantity to chains or perches , and extract the square root , which will be the length of a side , of the same denomination to which the given quan- tity is reduced . EXAMPLES . 1. Required the side ...
Página 154
... square root of this fourth term will be the length required . Having the length , the breadth may be found by the preceding problem . Or it may be found in the same manner as the length . Thus As the greater number of the given ratio ...
... square root of this fourth term will be the length required . Having the length , the breadth may be found by the preceding problem . Or it may be found in the same manner as the length . Thus As the greater number of the given ratio ...
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