A System of Geometry and Trigonometry: Together with a Treatise on Surveying : Teaching Various Ways of Taking the Survey of a Field : Also to Protract the Same and Find the Area : Likewise, Rectangular Surveying, Or, an Accurate Method of Calculating the Area of Any Field Arithmetically, Without the Necessity of Plotting it : to the Whole are Added Several Mathematical Tables, with a Particular Explanation and the Manner of Using Them : Compiled from Various AuthorsOliver D. Cooke, 1808 - 168 páginas |
Dentro del libro
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Página 7
... Right and Oblique angled Trigonometry , by . Loga- rithms and also by Natural Sines . The Treatise on Surveying is divided into three parts . Part first treats of measuring Land , and is di- vided into three Sections . The first ...
... Right and Oblique angled Trigonometry , by . Loga- rithms and also by Natural Sines . The Treatise on Surveying is divided into three parts . Part first treats of measuring Land , and is di- vided into three Sections . The first ...
Página 12
... Right Lines , contain exactly the same number of Degrees , whether the Radius be longer or shorter . 29. The Sine ... Angled Triangle has one Right Angle . Fig . 12 . 36. An Obtuse Angled Triangle has one Obtuse Angle . Fig . 13 37. An ...
... Right Lines , contain exactly the same number of Degrees , whether the Radius be longer or shorter . 29. The Sine ... Angled Triangle has one Right Angle . Fig . 12 . 36. An Obtuse Angled Triangle has one Obtuse Angle . Fig . 13 37. An ...
Página 13
... Right Angled Triangle amount to 90 Degrees , the Right Angle being also 90 . 40. The perpendicular height of a Triangle is a Line drawn from one of the Angles to its opposite Side ; thus the dotted Line AD . Fig . 14. is the per ...
... Right Angled Triangle amount to 90 Degrees , the Right Angle being also 90 . 40. The perpendicular height of a Triangle is a Line drawn from one of the Angles to its opposite Side ; thus the dotted Line AD . Fig . 14. is the per ...
Página 16
... Right Angled Trian- gle , the Hypothenuse and Angles being given . Fig . 30 . Suppose the Hypothenuse CA 25 Rods or Chains , the angle at C 35 ° 30 ′ and consequently the Angle at A 54 ° 30 ′ . See Note after the 39th Geometrical Defi ...
... Right Angled Trian- gle , the Hypothenuse and Angles being given . Fig . 30 . Suppose the Hypothenuse CA 25 Rods or Chains , the angle at C 35 ° 30 ′ and consequently the Angle at A 54 ° 30 ′ . See Note after the 39th Geometrical Defi ...
Página 17
... Right Angled Triangle , the Angles and one Leg being given . Fig . 31 . Suppose the Angle at C 33 ° 15 ' , and the Leg AC 285 . Draw the Leg AC making it in length 285 ; at A erect a Perpendicular an indefinite length ; at C make an Angle ...
... Right Angled Triangle , the Angles and one Leg being given . Fig . 31 . Suppose the Angle at C 33 ° 15 ' , and the Leg AC 285 . Draw the Leg AC making it in length 285 ; at A erect a Perpendicular an indefinite length ; at C make an Angle ...
Otras ediciones - Ver todas
System of Geometry and Trigonometry: Together with a Treatise on Surveying ... Abel Flint Sin vista previa disponible - 2017 |
System of Geometry and Trigonometry: Together With a Treatise on Surveying ... Abel Flint Sin vista previa disponible - 2017 |
Términos y frases comunes
Angle opposite Bearing and Distance C.Tang Chord Circle Circumference Co-Sine Sine Compass contained Angle Decimals Degrees and Minutes Dep Lat Diagonal Difference Dist divided Doub Double Area double the Area draw a Line Draw the Line EXAMPLE FIELD BOOK find the Angles find the Area find the Leg given Leg given number given Side Lat Dep Latitude and Departure Leg AB Leg BC length Loga Logarithmic Sine measuring Meridian multiply Natural Sines North Areas Note number of Acres number of Degrees Offset opposite Angle Parallelogram PLATE Plot PROB PROBLEM protract Quotient Radius Remainder Rhombus Right Angled Triangle RULE Secant Co-Secant Side BC Sine Co-Sine Tangent Sine Sine Sine South Areas Square Chains Square Links Square Root stationary Lines subtract survey a Field Surveyor Table of Logarithms Table of Natural Tangent Co-Secant Secant Tangent or Secant Trapezium Trapezoid Triangle ABC TRIGONOMETRY
Pasajes populares
Página 10 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, etc.
Página 31 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Página 32 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Página 10 - The Radius of a circle is a line drawn from the centre to the circumference.
Página 78 - Go to any part of the premises where any two adjacent corners are known ; and if one can be seen from the other, take their bearing ; which, compared with that of the same line in the former survey, shows the difference. But if one corner cannot be seen from the other, run the line according to the given bearing, and observe the nearest distance between the line so run and the corner ; then...
Página 44 - Field work and protraction are truly taken and performed ; if not, an error must have been committed in one of them : In such cases make a second protraction ; if this agrees with the former, it is to be presumed the fault is in the Field work ; a re- survey must then be taken.
Página 14 - Figures which consist of more than four sides' are called polygons; if the sides are equal to each other they are called regular polygons, and are sometimes named from the number of their sides, as pentagon, or hexagon, a figure of five or six sides, &c.; if the sides are unequal, they are called irregular polygons.
Página 44 - Let his attention first be directed to the map, and inform him that the top is north, the bottom south, the right hand east, and the left hand west.
Página 27 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Página 39 - To find the area of a trapezoid. RULE. — Multiply half the sum of the parallel sides by the altitude, and the product is the area.