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 27
... parallelogram , as D , Fig . 11 . 24. A parallelogram , whose angles are all right angles , is called a rectangle , as E , Fig . 12 . 25. A parallelogram whose sides are all equal , and angles right , is called a square as F , Fig . 13 ...
... parallelogram , as D , Fig . 11 . 24. A parallelogram , whose angles are all right angles , is called a rectangle , as E , Fig . 12 . 25. A parallelogram whose sides are all equal , and angles right , is called a square as F , Fig . 13 ...
Página 28
... parallelogram , or triangle . Thus AD is the base of the parallelogram ABEC , or triangle ABC , and CD is the altitude . Fig . 15 . 1 32. All plane figures contained under more than four sides , are called polygons ; of which those ...
... parallelogram , or triangle . Thus AD is the base of the parallelogram ABEC , or triangle ABC , and CD is the altitude . Fig . 15 . 1 32. All plane figures contained under more than four sides , are called polygons ; of which those ...
Página 86
... Parallelogram , whether it be a Square , a Rectangle , a Rhombus , or a Rhomboides . RULE . Multiply the length by ... parallelogram of an equal length and perpendicular height ( 36.1 ) ; therefore the area of EXAMPLES . 1. Required the ...
... Parallelogram , whether it be a Square , a Rectangle , a Rhombus , or a Rhomboides . RULE . Multiply the length by ... parallelogram of an equal length and perpendicular height ( 36.1 ) ; therefore the area of EXAMPLES . 1. Required the ...
Página 88
... . * * DEMONSTRATION . A triangle is half a parallelogram of the same EXAMPLES . 1. The base AB of a triangular piece base and altitude ( 41.1 . , ) and therefore the truth of the rule is evident . 88 MEASURING LAND .
... . * * DEMONSTRATION . A triangle is half a parallelogram of the same EXAMPLES . 1. The base AB of a triangular piece base and altitude ( 41.1 . , ) and therefore the truth of the rule is evident . 88 MEASURING LAND .
Página 99
... parallelograms ABCE , ABFD , and join ED , CF ; then because EC , DF , are each parallel and equal to AB , they are ( 30.1 . ) , parallel and equal to each other , and ( 33.1 . ) ECFD is a parallelogram ; therefore ABFD = ABHG + GHFD ...
... parallelograms ABCE , ABFD , and join ED , CF ; then because EC , DF , are each parallel and equal to AB , they are ( 30.1 . ) , parallel and equal to each other , and ( 33.1 . ) ECFD is a parallelogram ; therefore ABFD = ABHG + GHFD ...
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