 | John Muller - 1769 - 152 sider
...they fubtend will be in the fame ratio. C NB NB Mathematicians divide the circumference of a circle into 360 equal parts, called degrees, each degree into 60 minutes, and each minute into 60 feconds. Thefe divifions being marked on a femi-circle of brafs, or on an ivory rectangle, called protraftor,... | |
 | John Muller - 1773 - 202 sider
...in the fame ratio. C 3 NE NB Mathematicians divide the cir-r cumference of a circle into 360 equa} parts, called degrees, each degree into 60 minutes, and each minute into 60 feconds. Thefe divifions being marked on a femi-circle of brafs, or on an ivory recl> angle, called... | |
 | Benjamin Donne - 1796 - 120 sider
...calculating the proportion which angles bear to each other, fuppofe the circumference of every circle to be divided into 360 equal parts, called Degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts named feconds, &c. Ar. B. Sometimes the... | |
 | Alexander Adam - 1802 - 914 sider
...radii of the fame circle are always equal to one another. The circumference of every circle is fuppofed to be divided into 360 equal parts, called degrees ; each degree into 60 mi* ñutes \ each minute into 60 feccnds ; and thefe into thirds, fourths, &c. greater or ¡efs according... | |
 | John Bonnycastle - 1806 - 464 sider
...contained between its two legs, and having the angular point for its centre. 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. So that a semicircle,... | |
 | Thomas Keith - 1810 - 478 sider
...aBC and the arc DE is the measure of the angle ABC. (H) 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 angles are measured... | |
 | Thomas Keith - 1811 - 388 sider
...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,... | |
 | Edward Augustus Kendall - 1811 - 462 sider
...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... | |
 | 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,... | |
 | John Lathrop - 1812 - 218 sider
...36O equal parts, called degrees. — [Fig. 1.] 48. Every circle is supposed to be divided into 3GO degrees ; each degree into 60 minutes, and each minute into 60 seconds. 49. A degree of a great circle in the heavens is a space nearly equal to twice the apparent diameter... | |
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The circumference of every circle is supposed to' be divided into 360 equal parts, called degrees ; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated by the characters °, ', ". Thus 23° 14' 35"... 
