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 27
... . That side upon which any parallelogram , or trian- gle is supposed to stand , is called the base ; and the per- called the altitude of the parallelogram , or triangle . pendicular falling thereon from the opposite angle is GEOMETRY . 27.
... . That side upon which any parallelogram , or trian- gle is supposed to stand , is called the base ; and the per- called the altitude of the parallelogram , or triangle . pendicular falling thereon from the opposite angle is GEOMETRY . 27.
Página 28
... base of the parallelogram ABEC , or triangle ABC , and CD is the altitude . Fig . 15 . 1 32. All plane figures contained under more than four sides , are called polygons ; of which those having five sides , are called pentagons ; those ...
... base of the parallelogram ABEC , or triangle ABC , and CD is the altitude . Fig . 15 . 1 32. All plane figures contained under more than four sides , are called polygons ; of which those having five sides , are called pentagons ; those ...
Página 43
... base of an isosceles triangle are equal to one another . 9. If one side of a triangle be produced , the external posite angles : thus the external angle CBD , of angle will be equal to the sum of the two internal and op- PLANE ...
... base of an isosceles triangle are equal to one another . 9. If one side of a triangle be produced , the external posite angles : thus the external angle CBD , of angle will be equal to the sum of the two internal and op- PLANE ...
Página 44
... base , that is , upon the same part of the circumference : thus the angle . BEC is double of the angle BAC . Fig . 38 . 11. The angles in the same segment of a circle are equal to one another : thus the angle BAD is equal to the angle ...
... base , that is , upon the same part of the circumference : thus the angle . BEC is double of the angle BAC . Fig . 38 . 11. The angles in the same segment of a circle are equal to one another : thus the angle BAD is equal to the angle ...
Página 48
... 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- gle A 39 ° 10 ′ , and the perpendicular BC = 407.37 , to find the base AB and ...
... 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- gle A 39 ° 10 ′ , and the perpendicular BC = 407.37 , to find the base AB and ...
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