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 & Richardson, 1814 - 346 σελίδες |
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Σελίδα 3
... calculations . * Each of these works has lately gone through a new edition , in which considerable additions are stated ... calculation is introduced , as being quite different from that given by Jess ; whereas it is well known to be the ...
... calculations . * Each of these works has lately gone through a new edition , in which considerable additions are stated ... calculation is introduced , as being quite different from that given by Jess ; whereas it is well known to be the ...
Σελίδα 44
... the sines of their opposite angles . This 98 may express so many feet , or yards , & c . , and the other sides will be of the same denomination as the given side . ? By Calculation . As sine of the angle C 44 PLANE TRIGONOMETRY .
... the sines of their opposite angles . This 98 may express so many feet , or yards , & c . , and the other sides will be of the same denomination as the given side . ? By Calculation . As sine of the angle C 44 PLANE TRIGONOMETRY .
Σελίδα 45
... Calculation . As sine of the angle C 33 ° 21 ′ 9.74017 Is to sine of the angle B 114 ° 24 ′ 9.95937 So is AB 9 1.99123 11.95060 9.74017 To AC 162.3 2.21043 As sine of C 33 ° 21 ' 9.74017 Is to sine of A 32 ° 15 ′ 9.72723 So is AB 98 ...
... Calculation . As sine of the angle C 33 ° 21 ′ 9.74017 Is to sine of the angle B 114 ° 24 ′ 9.95937 So is AB 9 1.99123 11.95060 9.74017 To AC 162.3 2.21043 As sine of C 33 ° 21 ' 9.74017 Is to sine of A 32 ° 15 ′ 9.72723 So is AB 98 ...
Σελίδα 46
... Calculation . As sine of B 90 ° 10.00000 Is to sine of A 53 ° 8 ' 9.90311 So is AC 480 2.68124 12.58435 2.58435 To BC 384 As sine of B 90 ° 10.00000 Is to sine of C 36 ° 52 ′ 9.77812 So is AC 480 2.68124 12.45936 By Gunter's Scale ...
... Calculation . As sine of B 90 ° 10.00000 Is to sine of A 53 ° 8 ' 9.90311 So is AC 480 2.68124 12.58435 2.58435 To BC 384 As sine of B 90 ° 10.00000 Is to sine of C 36 ° 52 ′ 9.77812 So is AC 480 2.68124 12.45936 By Gunter's Scale ...
Σελίδα 49
... Calculation . As AB , .98 1.99123 Is to BC , 7912 -1.89829 So is sine of C , 33 ° 21 ' 9.74017 9.63846 To sine of A , 26 ° 21 / $ 9.64723 To the angle C 33 ° 21 ' , add the angle A = 26 ° 21 ' , and the sum is 59 ° 42 ′ , which ...
... Calculation . As AB , .98 1.99123 Is to BC , 7912 -1.89829 So is sine of C , 33 ° 21 ' 9.74017 9.63846 To sine of A , 26 ° 21 / $ 9.64723 To the angle C 33 ° 21 ' , add the angle A = 26 ° 21 ' , and the sum is 59 ° 42 ′ , which ...
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A Treatise on Surveying: Containing the Theory and Practice: To Which Is ... John Gummere Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
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Σελίδα 2 - An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the times therein mentioned." And also to the act, entitled " An Act supplementary to an Act, entitled, " An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and...
Σελίδα 97 - To find the Area of a Triangle when the Three Sides are given. Rule. — From half the sum of the three sides subtract each side separately.
Σελίδα 43 - The angle at the centre of a circle is double of the angle at the circumference upon the same base, that is, upon the same part of the circumference.
Σελίδα 34 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Σελίδα 2 - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
Σελίδα 85 - A maypole, whose top was broken off by a blast of wind, struck the ground at 15 feet distance from the foot of the pole: what was the height of the whole maypole, supposing the broken piece to measure 39 feet in length ? Ans.
Σελίδα 25 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Σελίδα 26 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Σελίδα 91 - PROBLEM I. To find the area of a parallelogram; whether it be a square, a rectangle, a rhombus, or a rhomboides. RULE.* Multiply the length by the perpendicular height, and the product will be the area.
Σελίδα 96 - If one side and the angles are given ; then As the product of radius and the sine of the angle opposite the given side, To the product of the sines of the two other angles ; So is the square of the given side, To twice the area of the triangle. If PC (Fig.