 | Thomas Spofford - Almanacs, American - 1835 - 84 pages
...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 - Encyclopedias and dictionaries - 1835 - 630 pages
...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... | |
 | 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... | |
 | Mrs. L. H. Tyler - Astronomy - 1837 - 302 pages
...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... | |
 | 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... | |
 | Thomas Kerigan - Nautical astronomy - 1838 - 804 pages
...hemisphere, and the other, the southern hemisphere. — The equator, like all other great circles, is divided into 360 equal parts, called degrees ; each...called minutes ; each minute into , 60 equal parts, called seconds, and so on. The Meridian of any place on the earth is a great circle passing through... | |
 | Thomas Holliday - Surveying - 1838 - 404 pages
...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 seconds. The angles are measured by the number of... | |
 | Jeremiah Day - Geometry - 1838 - 416 pages
...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 °,... | |
 | Thomas Keith - 1839 - 498 pages
...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,...parts called minutes, each minute into 60 equal parts called seconds. The angles are measured by the number of degrees cut from the circle by the lines which... | |
 | Charles Davies - Surveying - 1839 - 376 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. PLANE TRIGONOMETRY \ As the circumference of a... | |
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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. 
