 | Edward Augustus Kendall - 1811 - 462 sider
...measured by the arcs of a circle, contained between the two legs, having the angular point for its centre. Ev.ery circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parti, called minutes $ each minute into' 60 equal parts, called seconds. " An angle is said... | |
 | Thomas Keith - 1811 - 388 sider
...ascention, for the beginning of the year 1804, was 13° 14' 43" and its declination 80° "15' 44" north. $ 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. ; a degree is, therefore,... | |
 | Robert Gibson - 1811 - 580 sider
...circumference into two equal parts, called semicircles ; and is double the radius, as AB or DE. fig. 8. m *!6. The circumference of every circle is 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 caled seconds,... | |
 | Charles Hutton - 1811 - 406 sider
...and the other two on the two sides, that which stands at the angular point is read in the middle. 57. The circumference of every circle is supposed to be divided into 360 equnl parts, called Degrees : and each degree into 60 Minutes, each minute into 60 Seconds, and so... | |
 | Francis Nichols - 1811 - 162 sider
...the other circle, subtending the same angle ABC. 5. COR. 4. Hence, if a circle of any radius whatever be divided into 360 equal parts, called degrees, each degree into 60 equal parts, called minutes; each minute into 6O equal parts, called seconds, &c., the number of degrees,... | |
 | Friedrich Christian Accum - 1813 - 488 sider
...the circumference of a circle is the standard of comparison. This circle, of whatever size it may be, is supposed to be divided into 360 equal parts, called degrees ; each degree is again subdivided into 60 equal parts, called minutes, and every minute is subdivided into 60 seconds... | |
 | Jedidiah Morse - 1814 - 696 sider
...and the diameter is equal to two radii, or the longest straight line, that can be drawn in a circle. The circumference of every circle is supposed to be...degree into 60 minutes ; each minute into 60 seconds. An arc of a circle is the measure of an angle. Thus a right angle is an angle of 90 degrees. An arc... | |
 | John Gummere - 1814 - 398 sider
...of a plane triangle, except the three angles, are given, the others are determined. 2. The periphery of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minnte into 60 equal parts, called seconds, &c. 3. The measure... | |
 | Robert Gibson - 1814 - 558 sider
...circumference into t wo equal parts, called semicircles; and isdoublethe radius, as AB or DE. fig. 8. 16. The circumference of every circle is 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,... | |
 | Jeremiah Day - 1815 - 172 sider
...measuring the 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 second?. each second into 60 thirds, &c. marked with flie characters °, ', ", "', Sic. Thus 32° 24'... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees... 
