 | William Grier - 1847 - عدد الصفحات: 330
...'the two sides, it AO that which stands at the angular point is read in the middle. Thus, DAE. 57. The circumference of every circle is supposed to be...equal parts, called degrees ; and each degree into GO minutes, each minute into 60 seconds, and so on. Hence a semicircle contains 180 degrees, and a... | |
 | Anthony Nesbit - 1847 - عدد الصفحات: 492
...circumference, which is everywhere equidistant from a certain point within it, called the centre. 39. The circumference of 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.... | |
 | Charles Davies - 1847 - عدد الصفحات: 368
...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... | |
 | John Bonnycastle - 1848 - عدد الصفحات: 320
...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 divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; and so on. 48. The measure of any right-lined angle... | |
 | Charles Davies - 1848 - عدد الصفحات: 88
...also in measuring the motions of the heavenly bodies. 2. How is every circle supposed to be divided ? 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. 3. Repeat the table. TABLE.... | |
 | Charles Davies - 1851 - عدد الصفحات: 178
...also in measuring the motions of th« heavenly bodies. 2. How is every circle supposed to be divided ? 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. Solid, or Cubic Measure. 1.... | |
 | Benjamin Naylor - 1851 - عدد الصفحات: 154
...of latitude are circles passing round the earth parallel to the equator. Every Circle of the earth is supposed to be divided into 360 equal parts, called degrees, and each of these degrees into 60 equal parts, called minutes. The Latitude of any place is its distance North... | |
 | Charles Davies - 1852 - عدد الصفحات: 344
...used in estimating latitude and longitude, and also in measuring the motions of the heavenly bodies. The circumference of 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. 1. How many seconds... | |
 | John Radford Young - 1852 - عدد الصفحات: 230
...busheli, heaped measure; but heaped measure is now abolished. DIVISION op THE CIRCUMFERENCE OF A CIRCLE. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; these, of course, are longer or shorter, according as the circle is greater or less. Each degree is... | |
 | Jeremiah Joyce - 1852 - عدد الصفحات: 430
...measured by the arcs of a circle contained by the two legs, having the angular point for its centre. 4. 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.... | |
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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 60 Seconds, and so on. 
