## 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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**equal**his high reputation for science , is a wish , which ( as far as good wishes go ) ought to be as satisfactory to him , as it is sincere on the part of Yours with very high respect and esteem , JAMES DEAN . Extract of a letter from ... Página 26

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**equal**, then each of those angles is called a right angle and the line which stands on the other is said to be ...**equal**to each other , as A , Fig . 7 . 16. An isosceles triangle has only two of its sides**equal**, as B , Fig . 8 . 17. A ... Página 27

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**equal**and angles oblique , as D , Fig . 11 . 27. A rhombus is a parallelogram , whose sides are all**equal**and angles oblique , as G , Fig . 14 . 28. Any quadrilateral figure that is not a parallelo- gram , is called a trepezium . 29. A ... Página 28

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**equal**. 34. A circle is a plane figure , bounded by one curve line called the circumference or periphery , every part of which is equally distant from a certain point within the circle ; and this point is called the centre , Fig . 16 ... Página 29

... A and B. PROBLEM II . At a given point A , in a right line EF , to erect a per- pendicular , Fig . 19 . tances AC , AD ; from C and D , From the point A , lay off on each side , the

... A and B. PROBLEM II . At a given point A , in a right line EF , to erect a per- pendicular , Fig . 19 . tances AC , AD ; from C and D , From the point A , lay off on each side , the

**equal**dis- GEOMETRY . 29 Geometrical Problems,### 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