A System of Geometry and Trigonometry: Together with a Treatise on Surveying: Teaching Various Ways of Taking the Survey of a Field; Also to Protract the Same and Fine the Area. Likewise, Rectangular Surveying; Or, an Accurate Method of Calculating the Area of Any Field Arithmetically, Without the Necessity of Plotting It. To the Whole are Added Several Mathematical Tables ... with a Particular Explanation ... and the Manner of Using Them ...O. D. Cooke, 1813 - 168 σελίδες |
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Αποτελέσματα 1 - 5 από τα 12.
Σελίδα 7
... Circles . The second Section teaches different methods of ta- king the Survey of fields ; also to protract them , and find their Area in the manner commonly practised , and likewise by Arithmetical and Trigonometrical cal- culations ...
... Circles . The second Section teaches different methods of ta- king the Survey of fields ; also to protract them , and find their Area in the manner commonly practised , and likewise by Arithmetical and Trigonometrical cal- culations ...
Σελίδα 10
... Circle are equal . 13. The Diameter of a Circle is a Right Line drawn from one side of the Circumference to the other , pass- ing through the Centre ; and it divides the Circle into two equal parts , called Semicircles ; as AB or DE ...
... Circle are equal . 13. The Diameter of a Circle is a Right Line drawn from one side of the Circumference to the other , pass- ing through the Centre ; and it divides the Circle into two equal parts , called Semicircles ; as AB or DE ...
Σελίδα 11
... Circle is a part of a Circle , cut off by a Chord ; thus the space comprehended be- tween the Arch HIG and the Chord HG is called a Segment . Fig . 6 . 18. A Quadrant is one quarter of a Circle ; as ACB . Fig . 6 . 19. A Sector of a ...
... Circle is a part of a Circle , cut off by a Chord ; thus the space comprehended be- tween the Arch HIG and the Chord HG is called a Segment . Fig . 6 . 18. A Quadrant is one quarter of a Circle ; as ACB . Fig . 6 . 19. A Sector of a ...
Σελίδα 12
... Circle contained between the two Lines which form the Angle , the angular Point being the Centre ; thus the Angle HCB . Fig 7. is measured by the Arch BH ; and is said to contain so many Degrees as the Arch does . Note . An Angle is ...
... Circle contained between the two Lines which form the Angle , the angular Point being the Centre ; thus the Angle HCB . Fig 7. is measured by the Arch BH ; and is said to contain so many Degrees as the Arch does . Note . An Angle is ...
Σελίδα 19
... Circle . PROBLEM XIX . To find the centre of a Circle . By the last PROBLEM it is plain , that if three Points be any where taken in the given Circle's Periphery , the Centre of the Circle may be found as there taught . Directions for ...
... Circle . PROBLEM XIX . To find the centre of a Circle . By the last PROBLEM it is plain , that if three Points be any where taken in the given Circle's Periphery , the Centre of the Circle may be found as there taught . Directions for ...
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A System of Geometry and Trigonometry: Together with a Treatise on Surveying ... Able Flint Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
A System of Geometry and Trigonometry: Together with a Treatise on Surveying ... Able Flint Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Δημοφιλή αποσπάσματα
Σελίδα 26 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Σελίδα 23 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Σελίδα 8 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.
Σελίδα 25 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Σελίδα 25 - The solution of this CASE depends on the following PROPOSITION. In every Plane Triangle, As the Sum of any two Sides ; Is to their Difference ; So is the Tangent of half the Sum of the two opposite Angles ; To the Tangent of half the Difference between them. Add this half difference to half the Sum of the Angles and you will have the greater Angle ; and...
Σελίδα 8 - The radius of a circle is a line drawn from the centre to the circumference, as A, B.
Σελίδα 40 - Field work and protraction are truly taken and performed ; if not, an error must have been committed in one of them : In such cases make a second protraction ; if this agrees with the former, it is to be presumed the fault is in the Field work ; a re-survey must then be taken.
Σελίδα 40 - Let his attention first be directed to the map, and inform him that the top is north, the bottom south, the right hand east, and the left hand west.