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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Σελίδα 13
... , and .0007 together . 121.306 .75 2.7 .0007 Sum = 130.9567 What is the sum of 6.57 , 1.026 , .75 , 146.5 , 8.7 , 526. , 3.97 , and .0271 ? Answer , 693.5431 . What is the sum of 4.51 , 146.071 , .507 DECIMAL FRACTIONS . 13.
... , and .0007 together . 121.306 .75 2.7 .0007 Sum = 130.9567 What is the sum of 6.57 , 1.026 , .75 , 146.5 , 8.7 , 526. , 3.97 , and .0271 ? Answer , 693.5431 . What is the sum of 4.51 , 146.071 , .507 DECIMAL FRACTIONS . 13.
Σελίδα 14
... Answer , 354.31272 . SUBTRACTION OF DECIMALS . Write the figures of the subtrahend beneath those of the minuend according to the denomination of their places , as di- rected in the rule of addition ; then , beginning at the right - hand ...
... Answer , 354.31272 . SUBTRACTION OF DECIMALS . Write the figures of the subtrahend beneath those of the minuend according to the denomination of their places , as di- rected in the rule of addition ; then , beginning at the right - hand ...
Σελίδα 18
... answer required . Reduce to a decimal fraction . Answer .4 Reduce Reduce 25 218 21-8 Reduce Reduce .48 .1146789 .7777+ .9130434+ Reduce ,,,, and so on to , to their corresponding decimal fractions ; and in this operation the various ...
... answer required . Reduce to a decimal fraction . Answer .4 Reduce Reduce 25 218 21-8 Reduce Reduce .48 .1146789 .7777+ .9130434+ Reduce ,,,, and so on to , to their corresponding decimal fractions ; and in this operation the various ...
Σελίδα 19
... Answer . 72 80 72 8 Reduce 5 furlongs 00 perches to the decimal of a mile . 1 mile 5 furlongs 40 8 8 fur . 200 40 = vulgar fraction . 320 320 per . 320 ) 200.0 ( .625 = decimal sought . 192 0 800 640 1600 1600 Reduce 21 minutes 54 ...
... Answer . 72 80 72 8 Reduce 5 furlongs 00 perches to the decimal of a mile . 1 mile 5 furlongs 40 8 8 fur . 200 40 = vulgar fraction . 320 320 per . 320 ) 200.0 ( .625 = decimal sought . 192 0 800 640 1600 1600 Reduce 21 minutes 54 ...
Σελίδα 20
... answer here is 2 feet 9 lines . What is the value of .084 of a furlong ? Ans . 3 per . 1 yd . 2 ft . 11 in . What is the value of .683 of a degree ? 48 thirds . What is the value of .0053 of a mile ? 2 ft . 5 in . + Ans . 40 m . 58 sec ...
... answer here is 2 feet 9 lines . What is the value of .084 of a furlong ? Ans . 3 per . 1 yd . 2 ft . 11 in . What is the value of .683 of a degree ? 48 thirds . What is the value of .0053 of a mile ? 2 ft . 5 in . + Ans . 40 m . 58 sec ...
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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.