| Francis Lieber, Edward Wigglesworth - 1835 - 630 pągines
...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.... | |
| Luke Hebert - 1835 - 816 pągines
...between two radii and an arc, as oc 6, Fig. T. The circumference of every circle, whether great or small, is supposed to be divided into 360 equal parts, called degrees ; and every degree into 60 parts, called minutes ; and every minute into 60 seconds. To measure the inclination... | |
| John Playfair - 1836 - 148 pągines
...C ; the arc AC may be called the measure of the angle ABC, II. The circumference of a circle may be 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, &c. And as many degrees,... | |
| Luke Hebert - 1836 - 814 pągines
...two radii and an arc, as a с b, Fig. T. The circumference of every circle, whether great or small, is supposed to be divided into 360 equal parts, called degrees; and every degree into 60 parts, called minutes ; and every minute into 60 seconds. To measure the inclination... | |
| Hugh Murray - 1837 - 612 pągines
...sphere, 7916 miles in diameter, and consequently nearly 24,870 miles in circumference. In geometry, the circumference of every circle is supposed to be...divided into 360 equal parts, called degrees ; and each of these into 60 equal parts, called minutes, and so on. A degree, therefore, of any circle on the... | |
| James Thomson (LL.D.) - 1837 - 296 pągines
...is/img, while the months after it follow the rule. r 48 TABLES. TABLE OF THE DIVISION OF THE CIRCLE. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees;* each degree is subdivided into 60 equal parts, called minutes; and each minute into 60 equal parts,... | |
| Charles Guilford Burnham - 1837 - 266 pągines
...ga\\on,galA quarters, 1 chaldron,c/(. XIV. Circular Measure* * " Every circle, without regard to its size, is supposed to be divided into 360 equal parts, called degrees, and these again to be subdivided into minutes and seconds; so that the absolute quantity expressed by any... | |
| Thomas Holliday - 1838 - 404 pągines
...consist in the length of the lines which form it, 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... | |
| Charles Davies - 1838 - 292 pągines
...used in estimating latitude and longitude, and also in measuring the motions of the heavenly bodies. Every circle is supposed to be divided into 360 equal parts, called degrees. TABLE. 60 seconds " make 1 minute, marked '. 60 minutes - - 1 degree, - - °. * 30 degrees - - 1 sign,... | |
| Thomas Keith - 1839 - 498 pągines
...thus the arc ac is the measure of the angle aBc, 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, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds. The... | |
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