 | Edward Wells - 1714 - 348 Seiten
...becaufe this Number contains many (aliquot . Parts, ;'. e.) Parts, which will daftly divide it. N 3 each each Degree into 60 Minutes, and each Minute into 60 Seconds, and each Second, into 60 Thirds, &c. ; ; .. The mutual (*) Inclination of two Angle, Lines meeting together,... | |
 | John Muller - 1769 - 152 Seiten
...angles 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 Seiten
...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... | |
 | Charles Hutton - 1811 - 494 Seiten
...before observed in Geom. Def. 56) is supposed to be divided into 360 equal parts, called Degrees ; also each degree into 60 Minutes, and each minute into 60 Seconds, and so on. Hence a semicircle contains 1 80 degrees, and a quadrant 90 degrees. 3. The Measure of an angle... | |
 | John Lathrop - 1812 - 218 Seiten
...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... | |
 | Miles Bland - 1827 - 462 Seiten
...an CA invariable quantity, the angle (7.) Till lately. Geometers almost unanimously agreed to divide the circumference of the circle into 360 equal parts called Degrees ; each degree into 60 equal parts called Minutes; and each minute into 60 equal parts called Seconds, &c. This method appeared... | |
 | James Charlton - 1829 - 250 Seiten
...from a point withitt it, called the centre. ISsery cjrxje is. supppsed Ip b^djyided into 360 equai parts, called degrees, each degree into 60 minutes, and each minute into 60 seconds. Degrees are marked with a small cipher, minutes with -one dash, and' seconds' With two dashes. Thus,... | |
 | Charles Hutton - 1831 - 660 Seiten
...before observed in Geom. Def. 56) is supposed to be divided into 360 equal parts, called Degrees ; also each degree into 60 Minutes, and each minute into 60 Seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 3. The Measure of an angle... | |
 | Augustus De Morgan - 1836 - 144 Seiten
...out of the use of the words minute and second in two different senses. The circle is divided into 360 degrees, each degree into 60 minutes, and each minute into 60 seconds. The latter two are called minutes and seconds of space — it should rather be of angle. The division... | |
 | Scottish school-book assoc - 1840 - 132 Seiten
...equal to one another. Small circles divide it into unequal portions. Every circle is divided into 360 degrees, each degree into 60 minutes, and each minute into 60 seconds. The Equator is a great circle passing round the middle of the earth, at an equal distance from both... | |
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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"... 
