 | William Grier - 1842 - 320 σελίδες
...AO that which stands at the angular point is read in the middle. Thus, DAE. 57. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; and each degree into 60 minutes, each minute into 60 seconds, and so on. Hence a semicircle contains... | |
 | 1844 - 636 σελίδες
...The brazen meridian is the circle in 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... | |
 | Charles DAVIES (LL.D.) - 1843 - 348 σελίδες
...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,... | |
 | Samuel Maunder - 1843 - 914 σελίδες
...foot in the centre and turning the other round to trace out the circumference. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees and marked ° ; and each degree into 60 mi nutes, marked'. The word Circle is also used to describe... | |
 | Joseph Emerson Worcester - 1844 - 356 σελίδες
...and the other the south pole ; and 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... | |
 | Enoch Lewis - 1844 - 240 σελίδες
...a semicircle, is called its 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,... | |
 | Charles Davies - 1844 - 666 σελίδες
...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. 60 seconds " make 1 minute, marked '. 60 minutes - - 1 degree, - - °, 30 degrees - - 1 sign, - - -... | |
 | Robert Griffith Hatfield - 1845 - 326 σελίδες
...27,) then each of the two angles is called a right angle. 131. — Definition. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; hence a semi-circle contains 180 degrees, a quadrant 90, &c. o Fig. 96. 132. — Definition. The... | |
 | Horatio Nelson Robinson - 1845 - 310 σελίδες
...used in calculating 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, s. 12 signs,... | |
 | Nathan Scholfield - 1845 - 506 σελίδες
...circumference may be regarded as the measure of angular magnitude. For this purpose the circumference of the circle is supposed to be divided into. 360 equal parts, called degrees, and each of those degrees is divided into 60 equal parts called minutes, find each minute into 60 equal... | |
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The circumference of every circle is supposed to be divided into 360 equal... 
