 | Charles Davies - 1835 - 388 pagina’s
...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 TR16ONOMETRY. As the circumference of a... | |
 | 1844 - 636 pagina’s
...which the anifi- L cial globe turns, divided into 360 degree*. Every circle is supposed to be divided into 360 equal parts, called degrees, each degree into 60 equal parts, called minute*, \ each minute into 60 equal parts, called seconds, &c. ; a degree is therefore only a relative... | |
 | Enoch Lewis - 1844 - 234 pagina’s
...supplement. Thus BHD is the supplement of AB. 10. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; each degree...60 equal parts, called minutes; each minute into 60 equal parts, called seconds, &c. Degrees, minutes and seconds are designated thus, °, ', ". 11. As... | |
 | Joseph Emerson Worcester - 1844 - 356 pagina’s
...they are each 90 degrees from the equator. 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 secotuls. They are marked thus, 23° 88' 16"; ie 23 degrees,... | |
 | William Phillips - 1844 - 832 pagina’s
...number of degrees, minutes, &,c. of which they consist. In measuring angles, the circle is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 seconds : the divisions being thus designated : 360°, 60', GO". If one fourth... | |
 | William Phillips - 1844 - 834 pagina’s
...the number of degrees, minutes, &c. of which they consist. In measuring angles, the circle is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called c* XXVI be intercepted by which meet at an minutes ; and each minute into 60 seconds : the divisions... | |
 | Scottish school-book assoc - 1845 - 444 pagina’s
...triingle to every minute of the quadrant. 3. In trigonometry all the angles round a point are divided into 360 equal parts, called degrees, each degree into 60 equal parts, called minutes, and each minute into "0 equal parts, called seconds. Degrees, minutes, and seconds, are respectively... | |
 | Ezra Otis Kendall - 1845 - 408 pagina’s
...or 90° from all points in the circumference of that circle. Every circle is considered as divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. They are marked 0 ' " — thus: 10° 2' 20" —... | |
 | Charles Davies - 1846 - 378 pagina’s
...and so of others. DIVISION OF THE CIRC1E MEASURE OF TIME. 40. 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. For astronomical purposes, the circumference of... | |
 | Anthony Nesbit - 1847 - 492 pagina’s
...point within it, called the centre. 39. 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. 40. The diameter of a circle is a right line... | |
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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. 
