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 25
... angle is the inclination of two straight lines to one another , which meet together , but are not in the same ... angle is ex- pressed by three letters , whereof the middle letter shows the angular point , and the other two , the lines ...
... angle is the inclination of two straight lines to one another , which meet together , but are not in the same ... angle is ex- pressed by three letters , whereof the middle letter shows the angular point , and the other two , the lines ...
Página 26
... angle depends on the incli- nation which the lines that form it have to each other , and not on the length of those lines . Thus the angle DBE is greater than the angle ABC , Fig . 3 . 9. When a straight line stands on another straight ...
... angle depends on the incli- nation which the lines that form it have to each other , and not on the length of those lines . Thus the angle DBE is greater than the angle ABC , Fig . 3 . 9. When a straight line stands on another straight ...
Página 27
... angle , as C , Fig . 10 . 20. An acute angled triangle has all its angles acute , as ABC , Fig . 6 . 21. Acute and obtuse angled triangles are called oblique angled triangles . 22. Any plane figure bounded by four right lines , is ...
... angle , as C , Fig . 10 . 20. An acute angled triangle has all its angles acute , as ABC , Fig . 6 . 21. Acute and obtuse angled triangles are called oblique angled triangles . 22. Any plane figure bounded by four right lines , is ...
Página 28
... angles , as well as sides , are all 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 ...
... angles , as well as sides , are all 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 ...
Página 31
... angle equal to a given angle A , Fig . 23 . With the centre A and any distance AE , describe the arc DE , and with the same distance and centre B de- scribe the arc FG ; make HG equal to DE , and through B and H draw the line BH ; then ...
... angle equal to a given angle A , Fig . 23 . With the centre A and any distance AE , describe the arc DE , and with the same distance and centre B de- scribe the arc FG ; make HG equal to DE , and through B and H draw the line BH ; then ...
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