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 24
... called the Arithmetical Complement . Thus , if the lo- garithm be 2.53061 , its arithmetical complement will be 7.46939 . If one or more figures to the right hand be ciphers , write ciphers in their place , and take the first ...
... called the Arithmetical Complement . Thus , if the lo- garithm be 2.53061 , its arithmetical complement will be 7.46939 . If one or more figures to the right hand be ciphers , write ciphers in their place , and take the first ...
Página 26
... called a right angle and the line which stands on the other is said to be perpendicular to it . Thus ADC and BDC are right angles , and the line CD is perpendicular to AB , Fig . 4 . 10. An acute angle is that which is less than a right ...
... called a right angle and the line which stands on the other is said to be perpendicular to it . Thus ADC and BDC are right angles , and the line CD is perpendicular to AB , Fig . 4 . 10. An acute angle is that which is less than a right ...
Página 27
... called oblique angled triangles . 22. Any plane figure bounded by four right lines , is called a quadrilateral . 23. Any quadrilateral , whose opposite sides are paral- lel , is called a parallelogram , as D , Fig . 11 . 24. A ...
... called oblique angled triangles . 22. Any plane figure bounded by four right lines , is called a quadrilateral . 23. Any quadrilateral , whose opposite sides are paral- lel , is called a parallelogram , as D , Fig . 11 . 24. A ...
Página 28
... called pentagons ; those having six sides , hexagons , and so on . 33. A regular polygon is one whose angles , as well as sides , are all equal . 34. A circle is a plane figure , bounded by one curve line called the circumference or ...
... called pentagons ; those having six sides , hexagons , and so on . 33. A regular polygon is one whose angles , as well as sides , are all equal . 34. A circle is a plane figure , bounded by one curve line called the circumference or ...
Página 29
... called a third propor- tional to the first and second , and the second is called á mean proportional between the first and third . GEOMETRICAL PROBLEMS . PROBLEM I. To bisect a right line , AB , Fig . 18 . Open the dividers to any ...
... called a third propor- tional to the first and second , and the second is called á mean proportional between the first and third . GEOMETRICAL PROBLEMS . PROBLEM I. To bisect a right line , AB , Fig . 18 . Open the dividers to any ...
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