 | Samuel Vince - Trigonometry - 1800 - 204 pages
...found, in all cafes where the data are fufficient. $-j. The circumference of every circle is fuppofed to be divided into 360 equal parts, called Degrees...; every minute into 60 equal parts called Seconds ; &c. $8. The characters denoting degrees, minutes and feconds, are °, ', "; thus, 35°. 17'. 52"... | |
 | Mathematics - 1801 - 446 pages
...stands at the angular point, is rend in the middle. C 56. The 39° 5 6. 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 do seconds, and so on. Hence a semicircle contains... | |
 | John Pinkerton - Africa - 1804 - 694 pages
...the great circles, as PAfi £, passing through the poles, are called Meridians. Now all circles are supposed to be divided into 360 equal parts, called...every degree into 60 equal parts, called minutes; and every minute into 60 equal parts, called Sfconefi; and degrees, minutes, and seconds, are denoted... | |
 | Abel Flint - Surveying - 1804 - 226 pages
...the Circle into two equal parts, called Semicircles ; as AB or DE. 14. 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... | |
 | Robert Gibson - Surveying - 1806 - 486 pages
...called semicircles ; and is double the radius, as AB or DE. fig. 8. • 18. 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,... | |
 | John Bonnycastle - Trigonometry - 1806 - 464 pages
...arc of a circle 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... | |
 | Thomas Simpson - Trigonometry - 1810 - 168 pages
...the circle be supposed divided into some assigned number of equal parts. 2. The periphery 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... | |
 | Thomas Keith - Navigation - 1810 - 478 pages
...measure of the angle 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... | |
 | Euclid - Geometry - 1810 - 554 pages
...meeting BA, BC in A, C; the arch AC is called the measure of the angle ABC. II. The circumference of a 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,... | |
 | Robert Gibson - Surveying - 1811 - 580 pages
...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,... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees... 
