 | Horatio Nelson Robinson - Arithmetic - 1845 - 310 pages
...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 - Conic sections - 1845 - 542 pages
...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, and each minute into 60 equal... | |
 | Nathan Scholfield - 1845 - 894 pages
...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, and each minute into CO equal... | |
 | Nathan Scholfield - Geometry - 1845 - 506 pages
...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... | |
 | Charles Davies - Arithmetic - 1846 - 370 pages
...leaving 236, the number of days required ; and so of others. DIVISION OF THE CIRCLE MEASURE OF TIME. 40. 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 seconds. For astronomical purposes,... | |
 | Anthony Nesbit - Plane trigonometry - 1847 - 492 pages
...circumference, which is everywhere equidistant from a certain point within it, called the centre. 39. The circumference of every circle is supposed to be...equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. 40. The diameter... | |
 | James Robinson (of Boston.) - 1847 - 304 pages
...circumference for its arc, and the diameter for its chord. The half circle FGH is a semicircle. 45. 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... | |
 | Charles Davies - Arithmetic - 1847 - 368 pages
...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. Each degree is divided into 60 minutes, and each minute into 60 seconds. TABLE. 60 seconds " make 1 minute, marked... | |
 | Charles Davies - Arithmetic - 1847 - 368 pages
...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. Each degree is divided into 60 minutes, and each minute into 60 seconds. TABLE. 60 seconds " make 1 minute, marked... | |
 | John Bonnycastle - Geometry - 1848 - 320 pages
...letters, the one which stands at the angular point being always to be read in the middle. CD B *47. The circumference of every circle is supposed to be...360 equal parts, called degrees; each degree into 60 equal parts, called minutes; and so on. 48. The measure of any right-lined angle is an arc of a circle... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees... 
