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 |
Dentro del libro
Resultados 1-5 de 33
Página 26
... sides equal , as B , Fig . 8 . 17. A scalene triangle has three unequal sides , as ABC , Fig . 6 . 18. A right angled triangle has one right angle , as ABC , Fig . 9 : in which the side AC opposite to the 19. An obtuse angled triangle ...
... sides equal , as B , Fig . 8 . 17. A scalene triangle has three unequal sides , as ABC , Fig . 6 . 18. A right angled triangle has one right angle , as ABC , Fig . 9 : in which the side AC opposite to the 19. An obtuse angled triangle ...
Página 29
... side , the equal distances AC , AD ; from C and D , as GEOMETRY . 29 Geometrical Definitions, Geometrical Problems,
... side , the equal distances AC , AD ; from C and D , as GEOMETRY . 29 Geometrical Definitions, Geometrical Problems,
Página 44
... side of any plane triangle being given to find the other sides . RULE . As the sine of the angle opposite the given ... AC , and upon AB let fall the perpendiculars CD and FE , which 44 PLANE TRIGONOMETRY .
... side of any plane triangle being given to find the other sides . RULE . As the sine of the angle opposite the given ... AC , and upon AB let fall the perpendiculars CD and FE , which 44 PLANE TRIGONOMETRY .
Página 45
... side AB = 98 ; * required the sides AC and BC . By Construction , Fig . 41 . Make AB equal to 98 by a scale of equal parts , and draw AC , making the angle A = 32 ° 15 ' ; also make the angle B = 114 ° 24 ' and produce BC , AC , till ...
... side AB = 98 ; * required the sides AC and BC . By Construction , Fig . 41 . Make AB equal to 98 by a scale of equal parts , and draw AC , making the angle A = 32 ° 15 ' ; also make the angle B = 114 ° 24 ' and produce BC , AC , till ...
Página 46
... side AC . Extend the compasses from 33 ° 21 ' to 32 ° 15 ' on the line of sines ; that extent will reach , on the line of num- bers , from 98 to 95 , the side BC . 2. In the right angled triangle ABC , are given the hypothenuse AC = 480 ...
... side AC . Extend the compasses from 33 ° 21 ' to 32 ° 15 ' on the line of sines ; that extent will reach , on the line of num- bers , from 98 to 95 , the side BC . 2. In the right angled triangle ABC , are given the hypothenuse AC = 480 ...
Términos y frases comunes
ABCD ABFD acres adjacent adjacent angles angle ABC angle opposite angled triangle azimuth base bearing and distance breadth Calculation centre Co-secant Secant Co-sine Co-tang column decimal degrees 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 ratio given side John Gummere Lat Dep latitude and departure length logarithm measured meridian distance natural number off-sets parallel parallelogram perches perpendicular perpendicular BC quired quotient radius rectangle remainder Required the area right angle right line right-angled triangle RULE semiperimeter side AB side AC sine square root station stationary line subtract tance Tang Tangent tract of land trapezium trapezoid triangle ABC trigonometry