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
4 . 11. An obtuse angle is that which is greater than a right angle , as ADE , Fig . 4 . 12. Parallel straight lines are those which are in the same plane , and which , being produced ever so far both ways , do not meet , as AB ...
4 . 11. An obtuse angle is that which is greater than a right angle , as ADE , Fig . 4 . 12. Parallel straight lines are those which are in the same plane , and which , being produced ever so far both ways , do not meet , as AB ...
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Any quadrilateral , whose opposite sides are parallel , is called a parallelogram , as D , Fig . 11 . 24. A parallelogram , whose angles are all right angles , is called a rectangle , as E , Fig . 12 . 25. A parallelogram whose sides ...
Any quadrilateral , whose opposite sides are parallel , is called a parallelogram , as D , Fig . 11 . 24. A parallelogram , whose angles are all right angles , is called a rectangle , as E , Fig . 12 . 25. A parallelogram whose sides ...
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PROBLEM V. Through a given point A to draw a right line AB , parallel to a given right line CD , Fig . 22 . From the point A to any point F , in the line CD , draw the right line AF ; with F as a centre and distance FA , describe the ...
PROBLEM V. Through a given point A to draw a right line AB , parallel to a given right line CD , Fig . 22 . From the point A to any point F , in the line CD , draw the right line AF ; with F as a centre and distance FA , describe the ...
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Draw the indefinite right line AP , making an angle with AB , also draw BQ parallel to AP , in each of which , take as many equal parts AM , MN , & c . Bo , on , & c . as the line AB is to be divided into ; then draw Mm , Nn , & c ...
Draw the indefinite right line AP , making an angle with AB , also draw BQ parallel to AP , in each of which , take as many equal parts AM , MN , & c . Bo , on , & c . as the line AB is to be divided into ; then draw Mm , Nn , & c ...
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... FG and draw HL parallel to it : then will CL be the third -E L proportional required . H T PROBLEM XIV . To find a fourth proportional to three given right lines , A , B and C. A Draw two right lines DE , DF B containing any angle ...
... FG and draw HL parallel to it : then will CL be the third -E L proportional required . H T PROBLEM XIV . To find a fourth proportional to three given right lines , A , B and C. A Draw two right lines DE , DF B containing any angle ...
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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