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
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Página 9
... areas of triangles , quadrilaterals , circles , and ellipses ; also the method of protracting a survey , and finding its area by dividing it into triangles and trapeziums , 86 SECT . II . Containing three different rules for finding the ...
... areas of triangles , quadrilaterals , circles , and ellipses ; also the method of protracting a survey , and finding its area by dividing it into triangles and trapeziums , 86 SECT . II . Containing three different rules for finding the ...
Página 88
... area of a field , in the form of a rhom- boides , whose length AB is 42.5 perches , and perpendi- cular breadth CD ... given . RULE . Multiply the base by the perpendicular height , and half the product will be the area ...
... area of a field , in the form of a rhom- boides , whose length AB is 42.5 perches , and perpendi- cular breadth CD ... given . RULE . Multiply the base by the perpendicular height , and half the product will be the area ...
Página 90
... area of a triangle when two sides and their included angle are given . As radius , RULE . Is to the sine of the included angle ; So is the rectangle of the given sides , To double the area . * EXAMPLES . 1. In a triangular lot of ground ...
... area of a triangle when two sides and their included angle are given . As radius , RULE . Is to the sine of the included angle ; So is the rectangle of the given sides , To double the area . * EXAMPLES . 1. In a triangular lot of ground ...
Página 91
... area of a triangle two sides of which measure 15.36 chains and 11.46 chains respectively , and their included angle ... given . RULE . Subtract the sum of the two given angles from 180 ° , the remainder will be the angle opposite ...
... area of a triangle two sides of which measure 15.36 chains and 11.46 chains respectively , and their included angle ... given . RULE . Subtract the sum of the two given angles from 180 ° , the remainder will be the angle opposite ...
Página 92
... area in perches 4078 3.61041 40 ) 2039 4 ) 50 39 12A . 2R . 39P . 2. One side of a triangle measures 24.32 chains ... given . RULE . From half the sum of the three sides subtract each mainders continually together , and the square ...
... area in perches 4078 3.61041 40 ) 2039 4 ) 50 39 12A . 2R . 39P . 2. One side of a triangle measures 24.32 chains ... given . RULE . From half the sum of the three sides subtract each mainders continually together , and the square ...
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