 | George Crabb - 1831 - 426 σελίδες
...centre to the circumference; the segment of a circle is a part cut ofl' by a line called the chord. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees, every degree into 60 parts, called minutes, and every minute into 60 parts, called seconds. Solids... | |
 | Jeremiah Day - 1831 - 394 σελίδες
...measuring the latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each degree into 60 minutes, each minute into 60 seconds, each second into 60 thirds, &c, marked with the characters °,... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford - 1831 - 650 σελίδες
...poles. The brazen meridian is the circle in which the artificial globe turns, divided into 360 degrees. Every circle is supposed to be divided into 360 equal parts, called degrttt, each degree into CO equal parts, called minutes, each minute into 60 equal parts, called seconds,... | |
 | William Grier - 1832 - 366 σελίδες
...the other two on the two sides, D that which stands at the angular point is read in (he middle. 57. 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. Hence a semicircle contains... | |
 | William Smyth - 1834 - 94 σελίδες
...described with equal radii. 10. The entire circumference of every circle, whether great or small, is divided into 360 equal parts called degrees, each...minutes, each minute into 60 equal parts called seconds, each second into 60 equal parts called thirds, &c. The character used to denote degrees is °, placed... | |
 | Francis Joseph Grund - 1834 - 204 σελίδες
...arcs of circles, described with any radius between their legs. The circumference is, for this purpose, divided into 360 equal parts, called degrees; each...into 60 equal parts, called minutes ; each minute, again, into 60 equal parts, called seconds, &c. 16. The magnitude of an angle does not depend on the... | |
 | Olinthus Gregory - 1834 - 484 σελίδες
...(See the next figure.) 3. The circumference of a circle is supposed to be divided or to be divisible into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; each of these into 60 equal parts, called seconds ; and so on to the minutest possible subdivisions. Of... | |
 | Thomas Spofford - 1835 - 84 σελίδες
...every part of the circumference ia equally distant from a point within the circle, called the centre. The circumference of every circle is supposed to be...equal parts called degrees ; each degree into 60 equal parls called minutes, and each minute into 60 equal parts called seconds. Colurea ; those two meridians... | |
 | 1835 - 684 σελίδες
...the circumference of the circle Л PB (fig. Art. 3) completed, and divided into 360 equal portions called degrees* ; each degree into 60 equal parts...minutes; each minute into 60 equal parts called seconds ; &c. The magnitude of the an^le А С Р is expressed by the number of degrees, minutes, &c. contained... | |
 | Abel Flint - 1835 - 368 σελίδες
...centre ; and it divides the circle into two equal parts, called semicircles ; as AB or DE. Fig. 5. 14. 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... | |
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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 into 60 equal parts, called seconds. 
