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Llibres Llibres 71 - 80 de 187 sobre The Circumference of every circle is supposed to be divided into 360 equal parts,....
" The Circumference of every circle is supposed to be divided into 360 equal parts, called Degrees ; and each degree into 60 Minutes, each minute into 60 Seconds, and so on. "
The Theory and Practice of Surveying: Containing All the Instructions ... - Pągina 39
per Robert Gibson - 1814 - 508 pągines
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The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ...

William Grier - 1836 - 344 pągines
...other two on the two sides, that which stands at the angular point is read in the middle. Thus DAE. 57. The circumference of every circle is supposed to be...equal parts, called degrees; and each degree into 60 minutes, each minute into 60 seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant...
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The engineer's and mechanic's encyclopędia, Volum 1

Luke Hebert - 1836
...two radii and an arc, as a с b, Fig. T. The circumference of every circle, whether great or small, is supposed to be divided into 360 equal parts, called degrees; and every degree into 60 parts, called minutes ; and every minute into 60 seconds. To measure the inclination...
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A System of Natural Philosophy: In which the Principles of Mechanics ...

John Lee Comstock - 1836 - 295 pągines
...appears to move Each of the 12 signs of the zodiac is divided (nto 30 smaller parts, called degrees; each degree into 60 equal parts, called minutes, and each minute into BO parts, called seconds.) The division of the zodiac into signs, is of very ancient date, each sign...
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The Encyclopędia of Geography: Comprising a Complete Description ..., Volum 1

Hugh Murray - 1837
...sphere, 7916 miles in diameter, and consequently nearly 24,870 miles in circumference. In geometry, the circumference of every circle is supposed to be...divided into 360 equal parts, called degrees ; and each of these into 60 equal parts, called minutes, and so on. A degree, therefore, of any circle on the...
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Treatise on Arithmetic, in Theory and Practice: With an Appendix, Containing ...

James Thomson (LL.D.) - 1837 - 284 pągines
...is/img, while the months after it follow the rule. r 48 TABLES. TABLE OF THE DIVISION OF THE CIRCLE. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees;* each degree is subdivided into 60 equal parts, called minutes; and each minute into 60 equal parts,...
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A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - 1837 - 256 pągines
...ga\\on,galA quarters, 1 chaldron,c/(. XIV. Circular Measure* * " Every circle, without regard to its size, is supposed to be divided into 360 equal parts, called degrees, and these again to be subdivided into minutes and seconds; so that the absolute quantity expressed by any...
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A complete treatise on Practical Land-Surveying, etc

Thomas Holliday - 1838 - 80 pągines
...consist in the length of the lines which form it, but in their opening or inclination to each other. 2. 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 again into 60 equal parts, called...
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Mental and Practical Arithmetic: Designed for the Use of Academies and Schools

Charles Davies - 1838 - 288 pągines
...used in estimating latitude and longitude, and also in measuring the motions of the heavenly bodies. Every circle is supposed to be divided into 360 equal parts, called degrees. TABLE. 60 seconds " make 1 minute, marked '. 60 minutes - - 1 degree, - - °. * 30 degrees - - 1 sign,...
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The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1839 - 305 pągines
...middle. Thus, the angle contained by the lines B, A and A, D is called the angle B, A, D, or D, A, B. 56. The circumference of every circle is supposed to be...equal parts, called degrees ; and each degree into 60 minutes, each minute into 60 seconds ; and so on. Hence a semicircle contains 180 degrees, and a quadrant,...
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An introduction to the theory ... of plane and spherical trigonometry ...

Thomas Keith - 1839
...thus the arc ac is the measure of the angle aBc, and the arc DE is the measure of the angle ABC. (56) The circumference of every circle is supposed to be divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds. The...
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