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
When a straight line stands on another straight line , so as to incline to neither side , but makes the angles on each side equal , then each of those angles is called a right angle and the line which stands on the other is said to be ...
When a straight line stands on another straight line , so as to incline to neither side , but makes the angles on each side equal , then each of those angles is called a right angle and the line which stands on the other is said to be ...
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Any quadrilateral , whose opposite sides are parallel , is called a parallelogram , as D , Fig . 11 . ... That side upon which any parallelogram , or trian- . gle is supposed to stand , is called the base ; and the perpendicular falling ...
Any quadrilateral , whose opposite sides are parallel , is called a parallelogram , as D , Fig . 11 . ... That side upon which any parallelogram , or trian- . gle is supposed to stand , is called the base ; and the perpendicular falling ...
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All plane figures contained under more than four sides , are called polygons ; of which those having five sides , are called pentagons ; those having six sides , hexagons , and so on . 33. A regular polygon is one whose angles , as well ...
All plane figures contained under more than four sides , are called polygons ; of which those having five sides , are called pentagons ; those having six sides , hexagons , and so on . 33. A regular polygon is one whose angles , as well ...
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At a given point A , in a right line EF , to erect a per . pendicular , Fig . 19 . From the point A , lay off on each side , the equal distances AC , AD ; from C and D , as GEOMETRY . 29 Geometrical Problems,
At a given point A , in a right line EF , to erect a per . pendicular , Fig . 19 . From the point A , lay off on each side , the equal distances AC , AD ; from C and D , as GEOMETRY . 29 Geometrical Problems,
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To describe a triangle that shall have its sides respectively equal to three right lines D , E and F , of which any two must be together greater than the third ...
To describe a triangle that shall have its sides respectively equal to three right lines D , E and F , of which any two must be together greater than the third ...
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ABCD according acres adjacent angle base bearing bearing and distance Calculation called centre circle Co-secant Co-sine Co-tang column Construction contained corresponding Courses decimal Deg Dist DEMONSTRATION describe difference distance divide division draw east equal EXAMPLES feet figures find the area given given angle given area given side greater half hand height hypothenuse join latitude and departure length less logarithm measured meeting meridian distance Note off-sets opposite parallel perches perpendicular preceding PROBLEM quotient radius ratio rectangle remainder Required the area right angle right line root RULE running scale Secant side side AC sine square station subtract survey taken Tang Tangent triangle ABC twice