 | Francis Joseph Grund - Geometry, Plane - 1830 - 274 pages
...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 depend... | |
 | Charles Davies - Surveying - 1830 - 318 pages
...purposes of trigonometrical calculations, the circumference of the 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. 26. As the circumference of a circle may be... | |
 | Adrien Marie Legendre - Geometry - 1830 - 344 pages
...of trigonometrical calculations, the circumference of the circle is conceived to be divided into 36O 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... | |
 | Ira Wanzer - Arithmetic - 1831 - 408 pages
...Astronomers, Navigators, &c. Note 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 ; each minute into 60 seconds, and each second into 60 thirds, &c. 16. Of Particulars. 12 Particular things... | |
 | Francis Joseph Grund - Geometry, Plane - 1834 - 202 pages
...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 depend... | |
 | William Smyth - Plane trigonometry - 1834 - 104 pages
...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. The character... | |
 | Thomas Spofford - Almanacs, American - 1835 - 84 pages
...sun is in one of the foci. Each orbit is divided into 12 equal parts called signs j each sign into 30 equal parts called degrees; each degree into 60 equal parts called minutes; each minute into 60 seconds ; each second into 60 thirds, &c. Beginning at that part of the ecliptic where... | |
 | Adrien Marie Legendre - Geometry - 1836 - 394 pages
...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... | |
 | Andrew Bell - Euclid's Elements - 1837 - 290 pages
...a circle is accordingly supposed to be divided into 360 equal parts, called degrees ; each of these into 60 equal parts, called minutes ; each of these into 60 equal parts, called seconds, and so on. If, therefore, a circle be described from the angular point as a centre, the number of degrees, minutes,... | |
 | Charles Davies - Navigation - 1837 - 342 pages
...accuracy. 41. For the purposes of trigonometrical calculations, the circumference 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. As the circumference of a circle may be regarded... | |
| |
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. 
