| 1844
...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 - 228 páginas
...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 into 60 equal parts, called minutes; each** minute into 60 equal parts, called seconds, &c. Degrees, minutes and seconds are designated thus, °,... | |
| Joseph Emerson Worcester - 1844 - 331 páginas
...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 - 662 páginas
...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 - 662 páginas
...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... | |
| 1845
...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 - 365 páginas
...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 - 399 páginas
...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 - 426 páginas
...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... | |
| John Bonnycastle - 1848 - 288 páginas
...always to be read in the middle. CD B *47. 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 so on. 48. The measure of any right-lined angle is an arc of a circle contained between the two... | |
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