The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtE. Duyckinck, 1811 - 508 σελίδες |
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Σελίδα 14
... fourth , or required quantity , may be as much greater , or less than the third , as the second term is greater , or less than the first , then multiply the second and third terms together , and divide the product by the first term ...
... fourth , or required quantity , may be as much greater , or less than the third , as the second term is greater , or less than the first , then multiply the second and third terms together , and divide the product by the first term ...
Σελίδα 16
... fourth power . 85 Answer . EXAMPLES FOR EXERCISE . What is the second power of 3.05 ? Ans . 9.3025 What is the third power of 85.3 ? Answer , 620650.477 What is the fourth power of .073 ? Answer , 090028398241 What is the eighth power ...
... fourth power . 85 Answer . EXAMPLES FOR EXERCISE . What is the second power of 3.05 ? Ans . 9.3025 What is the third power of 85.3 ? Answer , 620650.477 What is the fourth power of .073 ? Answer , 090028398241 What is the eighth power ...
Σελίδα 17
... fourth root , because 3 × 3 × 3 × 3 = 34-81 . Again , if 729 be the given power , and its cube root be re- quired , the answer is 9 , for 9 × 9 × 9 = 729 ; and if the sixth root of that number be required , it is found to be 3 , for 3 ...
... fourth root , because 3 × 3 × 3 × 3 = 34-81 . Again , if 729 be the given power , and its cube root be re- quired , the answer is 9 , for 9 × 9 × 9 = 729 ; and if the sixth root of that number be required , it is found to be 3 , for 3 ...
Σελίδα 23
... fourth root of 97.41 Required the cube root of .037 Required the cube root of 2 Ans . - 7.3213 + Ans . - 5.2540 + Ans . 9.9966+ Ans . - 3.1416 Ans .- . 33322+ Ans . 1.2599+ Answer⇒ [ 4.1454 Required the seventh root of 21035.8 SECTION ...
... fourth root of 97.41 Required the cube root of .037 Required the cube root of 2 Ans . - 7.3213 + Ans . - 5.2540 + Ans . 9.9966+ Ans . - 3.1416 Ans .- . 33322+ Ans . 1.2599+ Answer⇒ [ 4.1454 Required the seventh root of 21035.8 SECTION ...
Σελίδα 25
... fourth by 7 , & c . and let these quotients be written orderly under one another ; add them together and their sum will be a logarithm . To this logarithm add the logarithm of the next less number , and the sum will be the logarithm of ...
... fourth by 7 , & c . and let these quotients be written orderly under one another ; add them together and their sum will be a logarithm . To this logarithm add the logarithm of the next less number , and the sum will be the logarithm of ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres altitude Answer arch azimuth base bearing blank line centre chains and links chord circle circumferentor Co-sec Co-tang column compasses contained decimal difference distance line divided divisions draw east Ecliptic edge feet field-book figures fore four-pole chains geom given number half the sum Horizon glass hypothenuse inches instrument Lat Dep Lat latitude length logarithm measure meridian distance multiplied natural co-sine natural sine needle Nonius number of degrees object observed off-sets opposite parallel parallelogram pegs perches perpendicular plane pole pole star Portmarnock PROB protractor Quadrant quotient radius right angles right line scale of equal SCHOLIUM screw Secant sect Sextant side sights square station stationary distance subtract Sun's survey taken Tang tangent theo theodolite trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence
Δημοφιλή αποσπάσματα
Σελίδα 38 - 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 25 - 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 197 - RULE. From half the sum of the three sides subtract each side severally.
Σελίδα 106 - 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 27 - The VERSED SINE of an arc is that part of the diameter which is between the sine and the arc. Thus BA is the versed sine of the arc AG.