 | Francis Joseph Grund - 1834 - 204 pàgines
...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 pàgines
...(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... | |
 | 1835 - 684 pàgines
...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...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 in... | |
 | Thomas Spofford - 1835 - 84 pàgines
...circumference ia equally distant from a point within the circle, called the centre. The circumference of every circle is supposed to be 'divided into 360 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... | |
 | Francis Lieber, Edward Wigglesworth - 1835 - 630 pàgines
...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 degrees, each degree into CO equal ports, called minutes, each minute into 60 equal parts, called seconds, Sic. ; a degree is... | |
 | Abel Flint - 1835 - 366 pàgines
...Tivides the circle into two equal parts, calle. .emicircles ; as AB or DE. Fig. 5. 14. The , jmference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minute*; and each minute into 60 equal parts, called... | |
 | Euclid - 1835 - 540 pàgines
...and BC, in A and C ; the arch AC is called the measure of the angle ABC. II. The circumference of a 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,... | |
 | Adrien Marie Legendre - 1836 - 394 pàgines
...CIRCUMFERENCE. I. For the purposes of trigonometrical calculation, the cir cumference of the circle is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. The semicircumference, or the measure of two... | |
 | William Grier - 1836 - 384 pàgines
...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 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... | |
 | Mrs. L. H. Tyler - 1837 - 302 pàgines
...of the plane of a circle. (21.) DBF. 4. Every circle, from the smallest to the largest, is conceived 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. These divisions are usually expressed by signs... | |
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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. 
