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 26
... angled triangle has one right angle , as ABC , Fig . 9 : in which the side AC opposite to the 19. An obtuse angled triangle has one obtuse angle , right angle is called the hypothenuse . GEOMETRY .
... angled triangle has one right angle , as ABC , Fig . 9 : in which the side AC opposite to the 19. An obtuse angled triangle has one obtuse angle , right angle is called the hypothenuse . GEOMETRY .
Página 27
... angled triangle has one obtuse angle , as C , Fig . 10 . 20. An acute angled triangle has all its angles acute , as ... right lines , is called a quadrilateral . 23. Any quadrilateral , whose opposite sides are paral- lel , is ...
... angled triangle has one obtuse angle , as C , Fig . 10 . 20. An acute angled triangle has all its angles acute , as ... right lines , is called a quadrilateral . 23. Any quadrilateral , whose opposite sides are paral- lel , is ...
Página 43
... right line AB , one or more right lines be drawn on the same side of it , the angles thus formed at the point D will ... triangle is equal to two right angles , or 180 ° . 5. If the sum of two angles of a triangle be subtracted ...
... right line AB , one or more right lines be drawn on the same side of it , the angles thus formed at the point D will ... triangle is equal to two right angles , or 180 ° . 5. If the sum of two angles of a triangle be subtracted ...
Página 46
... angle C 33 ° 21 ′ - - 9.74017 Is to sine of the angle B 114 ° 24 ' So is AB 98 9.95937 1.99123 11.95060 9.74017 ... right angled triangle ABC , are given the hypothenuse AC = 480 , and the angle A = 539 8. Το find the base AB and ...
... angle C 33 ° 21 ′ - - 9.74017 Is to sine of the angle B 114 ° 24 ' So is AB 98 9.95937 1.99123 11.95060 9.74017 ... right angled triangle ABC , are given the hypothenuse AC = 480 , and the angle A = 539 8. Το find the base AB and ...
Página 48
... right - angled triangle , there are given the an- gle A = 56 ° 48 ' , and the base AB = 53.66 , to find the perpendicular BC and hypothenuse AC . Ans . BC = 82 and AC = 98 . 5. In the right - angled triangle ABC , are given the an ...
... right - angled triangle , there are given the an- gle A = 56 ° 48 ' , and the base AB = 53.66 , to find the perpendicular BC and hypothenuse AC . Ans . BC = 82 and AC = 98 . 5. In the right - angled triangle ABC , are given the an ...
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