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 páginas |
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Página 10
... called indices , and are al- ways less by unity , than the number of figures in the in- tegral part of the corresponding natural number . The index of the logarithm of a number , consisting in whole , or in part of integers , is ...
... called indices , and are al- ways less by unity , than the number of figures in the in- tegral part of the corresponding natural number . The index of the logarithm of a number , consisting in whole , or in part of integers , is ...
Página 23
... called the Arithmetical Complement . Thus , if the lo- garithm be 2.53061 , its arithmetical complement will be 7.46939 . If one or more figures to the right hand be ciphers , write ciphers in their place , and take the first ...
... called the Arithmetical Complement . Thus , if the lo- garithm be 2.53061 , its arithmetical complement will be 7.46939 . If one or more figures to the right hand be ciphers , write ciphers in their place , and take the first ...
Página 26
... called right angles , and the line CD is said to be perpendicular to AB , Fig . 4 . 10. An acute angle is that which is less than a right angle , as BDE , Fig . 4 . 11. An obtuse angle is that which is greater than a right angle , as ...
... called right angles , and the line CD is said to be perpendicular to AB , Fig . 4 . 10. An acute angle is that which is less than a right angle , as BDE , Fig . 4 . 11. An obtuse angle is that which is greater than a right angle , as ...
Página 27
... called oblique angled triangles . 22. Any plane figure bounded by four right lines , is called a quadrilateral . 23. Any quadrilateral , whose opposite sides are paral- lel , is called a parallelogram , as D , Fig . 11 . 24. A ...
... called oblique angled triangles . 22. Any plane figure bounded by four right lines , is called a quadrilateral . 23. Any quadrilateral , whose opposite sides are paral- lel , is called a parallelogram , as D , Fig . 11 . 24. A ...
Página 28
... called polygons ; of which those having five sides , are called pentagons ; those having six sides , hexagons , and so on . 32. A regular polygon is one whose angles , as well as sides , are all equal . 33. A circle is a plane figure ...
... called polygons ; of which those having five sides , are called pentagons ; those having six sides , hexagons , and so on . 32. A regular polygon is one whose angles , as well as sides , are all equal . 33. A circle is a plane figure ...
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A Treatise on Surveying: Containing the Theory and Practice: To Which Is ... John Gummere Sin vista previa disponible - 2016 |
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Página 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.
Página 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.
Página 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.
Página 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...
Página 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.
Página 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.
Página 26 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Página 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.
Página 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.