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 86
... area by dividing it into tri- angles and trapeziums . : PROBLEM I. To find the Area of a Parallelogram , whether it ... Required the area of a square field every parallelogram is equal to the product of its length and height . 86 ...
... area by dividing it into tri- angles and trapeziums . : PROBLEM I. To find the Area of a Parallelogram , whether it ... Required the area of a square field every parallelogram is equal to the product of its length and height . 86 ...
Página 87
... Required the area of a square field , a side of which measures 7.29 four - pole chains . Ch . 7.29 7.29 6561 1458 5103 10 ) 53.141 Area 5A . 1R . 10P . 5.31441 4 1.25764 40 10.30560 2. Required the area of a rectangular field whose ...
... Required the area of a square field , a side of which measures 7.29 four - pole chains . Ch . 7.29 7.29 6561 1458 5103 10 ) 53.141 Area 5A . 1R . 10P . 5.31441 4 1.25764 40 10.30560 2. Required the area of a rectangular field whose ...
Página 88
... Required the area of a field , in the form of a rhom- boides , whose length AB is 42.5 perches , and perpendi- cular breadth CD is 32 perches . Fig . 15 . P. 42.5 32 850 1275 4/0 ) 13610.0 4 ) 34 8A . 2R . ! 4. What is the area of a ...
... Required the area of a field , in the form of a rhom- boides , whose length AB is 42.5 perches , and perpendi- cular breadth CD is 32 perches . Fig . 15 . P. 42.5 32 850 1275 4/0 ) 13610.0 4 ) 34 8A . 2R . ! 4. What is the area of a ...
Página 89
... required the area . Fig . 49 . Ch . 12.38 6.78 9904 8666 7428 2 ) 83.9364 10 ) 41.9682 Area , 4A . OR . 31P . 4.19682 4 .78728 40 31.49120 2. Required the area of a triangular field , one side of which measures 18.37 chains , and the ...
... required the area . Fig . 49 . Ch . 12.38 6.78 9904 8666 7428 2 ) 83.9364 10 ) 41.9682 Area , 4A . OR . 31P . 4.19682 4 .78728 40 31.49120 2. Required the area of a triangular field , one side of which measures 18.37 chains , and the ...
Página 90
... required the area . Fig . 49 . As radius - - Is to sin . A , 30 ° So is AB , AC , { $ 64 40.5 - 10.00000 - - - 9.69897 - 1.80618 1.60746 13.11261 To double the area 1296 perches 3.11261 410 ) 64/8 4 ) 16 8 4A . OR . 8P . * DEMONSTRATION ...
... required the area . Fig . 49 . As radius - - Is to sin . A , 30 ° So is AB , AC , { $ 64 40.5 - 10.00000 - - - 9.69897 - 1.80618 1.60746 13.11261 To double the area 1296 perches 3.11261 410 ) 64/8 4 ) 16 8 4A . OR . 8P . * DEMONSTRATION ...
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