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 Schools |
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Page 83
... area by dividing it into triangles and trapeziums . PROBLEM I. To find the Area of a Parallelogram , whether it be a ... Required the area of a square field equal to the product of its length and height . MEASURING LAND . 83.
... area by dividing it into triangles and trapeziums . PROBLEM I. To find the Area of a Parallelogram , whether it be a ... Required the area of a square field equal to the product of its length and height . MEASURING LAND . 83.
Page 84
... Required the area of a rectangular field whose length is 13.75 chains , and breadth 9.5 chains . Ch . 13.75 9.5 6875 12375 10 ) 130.625 Area 13A . OR . 10P . 13.0625 4+ .2500 40 3. Required the area of a field , in the 10.0000 84 MEASURING ...
... Required the area of a rectangular field whose length is 13.75 chains , and breadth 9.5 chains . Ch . 13.75 9.5 6875 12375 10 ) 130.625 Area 13A . OR . 10P . 13.0625 4+ .2500 40 3. Required the area of a field , in the 10.0000 84 MEASURING ...
Page 85
... Required the area of a field , in the form of a rhom- boides , whose length AB is 42.5 perches , and perpendi- cular breadth CD is 32 perches . Fig . 15 . P. 42.5 32 850 1275 40 ) 1360.0 4 ) 34 8A . 2R . 4. What is the area of a square ...
... Required the area of a field , in the form of a rhom- boides , whose length AB is 42.5 perches , and perpendi- cular breadth CD is 32 perches . Fig . 15 . P. 42.5 32 850 1275 40 ) 1360.0 4 ) 34 8A . 2R . 4. What is the area of a square ...
Page 86
... required the area . Fig . 49 . Ch . 12.38 6.78 9904 8666 7428 2 ) 83.9364 10 ) 41.9682 Area 4A . OR . 31P . 4.19682 4 .78728 40 31.49120 2. Required the area of a triangular field , one side of which measures 18.37 chains , and the ...
... required the area . Fig . 49 . Ch . 12.38 6.78 9904 8666 7428 2 ) 83.9364 10 ) 41.9682 Area 4A . OR . 31P . 4.19682 4 .78728 40 31.49120 2. Required the area of a triangular field , one side of which measures 18.37 chains , and the ...
Page 87
... required the area . Fig . 49 . As radius 10.00000 Is to sin . A , 30 ° 9.69897 So is AB . AC , 240.5 564 1.80618 1.60746 13.11261 To double the area 1296 perches 3.11261 40 ) 648 4 ) 16 .. 8 4A . OR . 8P . * DEMONSTRATION . In the ...
... required the area . Fig . 49 . As radius 10.00000 Is to sin . A , 30 ° 9.69897 So is AB . AC , 240.5 564 1.80618 1.60746 13.11261 To double the area 1296 perches 3.11261 40 ) 648 4 ) 16 .. 8 4A . OR . 8P . * DEMONSTRATION . In the ...
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A Treatise on Surveying: Containing the Theory and Practice: To Which Is ... John Gummere No preview available - 2016 |
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Page 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...
Page 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.
Page 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.
Page 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.
Page 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...
Page 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.
Page 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.
Page 26 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Page 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.
Page 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.