 | William Grier - 1832 - 366 ページ
...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... | |
 | John Lee Comstock - 1832 - 308 ページ
...another constellation, and near the star a. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees ; each degree into 60 equal parts, called minutes, and each minute into 60 parts, called seconds, The division of the zodiac into signs, is of very ancient date,... | |
 | Francis Joseph Grund - 1834 - 204 ページ
...arcs of circles, described with any radius between their legs. The circumference is, for this purpose, divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes ; each minute, again, into 60 equal parts, called seconds, &c. 16. The magnitude of an angle does not... | |
 | William Smyth - 1834 - 94 ページ
...described with equal radii. 10. The entire circumference of every circle, whether great or small, is divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds, each second into 60 equal parts called thirds, &c.... | |
 | Olinthus Gregory - 1834 - 484 ページ
...(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.... | |
 | Thomas Spofford - 1835 - 84 ページ
...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 ページ
...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 ページ
...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... | |
 | John Lee Comstock - 1835 - 308 ページ
...another constellation, and neai the star a. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees; each degree into 60 equal parts, called minutes, and each minute into GO parts, called seconds. The division of the zodiac into signs, is of very ancient date,... | |
 | Euclid - 1835 - 540 ページ
...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,... | |
| |
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. 
