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Βιβλία Βιβλία 91 - 100 από 191 για 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 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c. "
The National Arithmetic on the Inductive System: Combining the Analytic and ... - Σελίδα 311
των Benjamin Greenleaf - 1853 - 360 σελίδες
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Treatise on Arithmetic, in Theory and Practice: With an Appendix, Containing ...

James Thomson (LL.D.) - 1837 - 284 σελίδες
...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,...

A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - 1837 - 256 σελίδες
...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...

A complete treatise on Practical Land-Surveying, etc

Thomas Holliday - 1838 - 80 σελίδες
...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...

Mental and Practical Arithmetic: Designed for the Use of Academies and Schools

Charles Davies - 1838 - 288 σελίδες
...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,...

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...

The National Arithmetic ...: Combining the Analytic and Synthetic Methods ...

Benjamin Greenleaf - 1841 - 314 σελίδες
...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...minutes, each minute into 60 seconds ; and so on. Hence u semicircle contains 130 degrees, and a quadrant, 90 degrees. GEOMETRICAL PROBLEMS. PROBLEM L To divide...

Rudimentary treatise on arithmetic

John Radford Young - 1852 - 192 σελίδες
...busheli, heaped measure; but heaped measure is now abolished. DIVISION op THE CIRCUMFERENCE OF A CIRCLE. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; these, of course, are longer or shorter, according as the circle is greater or less. Each degree is...

School Arithmetic: Analytical and Practical

Charles Davies - 1852 - 336 σελίδες
...used in estimating latitude and longitude, and also in measuring the motions of the heavenly bodies. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into 60 minutes, and each minute into 60 seconds. TABLE. 1. How many seconds...

A Familiar Introduction to the Arts Sciences: With Original Introductory ...

Jeremiah Joyce - 1852 - 402 σελίδες
...measured by the arcs of a circle contained by the two legs, having the angular point for its centre. 4. 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....

ELEMENTS OF GEOMETRY AND TRIGONOMETRY

A. M. LEGENDRE - 1852
...the six parts is given. 3. For the purpose of trigonometrical calculation, the circumference of the circle is supposed to be divided into 360 equal parts, called degrees ; each degree is supposed to be divided into 60 equal parts, called minutes; and each minute into 60...




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