The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this Art. With a New Set of Accurate Mathematical TablesHarper, 1832 - 348 σελίδες |
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Αποτελέσματα 1 - 5 από τα 100.
Σελίδα 10
... equal to 10 . √3 , or 33 , denotes the square root of the number 3 . * 3 / 5 , or 5 * , denotes the cube root of the number 5 . 72 , denotes that the number 7 is to be squared . 83 , denotes that the number 8 is to be cubed . Et cetera ...
... equal to 10 . √3 , or 33 , denotes the square root of the number 3 . * 3 / 5 , or 5 * , denotes the cube root of the number 5 . 72 , denotes that the number 7 is to be squared . 83 , denotes that the number 8 is to be cubed . Et cetera ...
Σελίδα 11
... we suppose unity or any one thing to be divided into any assigned number of equal parts , this number is called the de- nominator ; and if we choose to take any number Sect PART I Decimal Fractions Involution and Evolu-
... we suppose unity or any one thing to be divided into any assigned number of equal parts , this number is called the de- nominator ; and if we choose to take any number Sect PART I Decimal Fractions Involution and Evolu-
Σελίδα 12
... equal parts the unit is divided ; and the three and the five are the numerators , showing how many of those parts are under consideration . Fractions are expressed in two forms , that is , either vulgarly or decimally . All fractions ...
... equal parts the unit is divided ; and the three and the five are the numerators , showing how many of those parts are under consideration . Fractions are expressed in two forms , that is , either vulgarly or decimally . All fractions ...
Σελίδα 15
... dividend , so that the decimal places here may be equal in number to those in the divisor ; and then the quotient will be a whole number , without fractions . When there is a remainder , after the division has DECIMAL FRACTIONS . 15.
... dividend , so that the decimal places here may be equal in number to those in the divisor ; and then the quotient will be a whole number , without fractions . When there is a remainder , after the division has DECIMAL FRACTIONS . 15.
Σελίδα 18
... equal to of 3 acres , miles , yards , & c .; therefore if 3 be divided by 4 , the quotient is the answer required . Reduce to a decimal fraction . Answer .4 Reduce Reduce 25 218 21-8 Reduce Reduce .48 .1146789 .7777+ .9130434+ Reduce ...
... equal to of 3 acres , miles , yards , & c .; therefore if 3 be divided by 4 , the quotient is the answer required . Reduce to a decimal fraction . Answer .4 Reduce Reduce 25 218 21-8 Reduce Reduce .48 .1146789 .7777+ .9130434+ Reduce ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD acres altitude arch azimuth base bearing blank line centre chains and links circle circumferentor co-sine column compasses contained cube root decimal diagonal diameter difference of latitude divided divisions divisor draw east ecliptic edge EXAMPLE feet field-book figure four-pole chains geometrical series given angle given number half the sum height Hence horizon glass hypothenuse inches instrument length logarithm manner measure meridian distance method multiplied needle nonius number of degrees object observed offsets opposite parallelogram perches perpendicular plane prob PROBLEM proportion protractor quadrant quotient radius rhombus right angles right line scale of equal SCHOLIUM screw secant sect sector semicircle side square root station stationary distance subtract suppose survey taken tangent theo theodolite THEOREM third trapezium triangle ABC trigonometry two-pole chains vane vulgar fraction whence
Δημοφιλή αποσπάσματα
Σελίδα 173 - In like manner, when it is said, that " triangles on the same base, and between the same parallels, are equal...
Σελίδα 49 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Σελίδα 163 - RULE. From half the sum of the three sides subtract each side severally.
Σελίδα 41 - 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 97 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Σελίδα 41 - The radius of a circle is a right line drawn from the centre to the circumference.
Σελίδα 52 - Triangles upon equal bases, and between the same parallels, are equal to one another.
Σελίδα 24 - The square of the sum of two numbers is equal to the square of the first number plus twice the product of the first and second number plus the square of the second number.
Σελίδα 35 - DIVISION BY LOGARITHMS. RULE. From the logarithm of the dividend subtract the logarithm of the divisor, and the number answering to the remainder will be the quotient required.