 | Thomas Holliday - Surveying - 1838 - 404 pages
...consist in the length of the lines which form it, but in their opening or inclination to each other. 2. 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 again into 60 equal parts, called... | |
 | Charles Davies - Arithmetic - 1838 - 292 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. TABLE. 60 seconds " make 1 minute, marked '. 60 minutes - - 1 degree, - - °. * 30 degrees - - 1 sign,... | |
 | Benjamin Greenleaf - Arithmetic - 1839 - 356 pages
...middle. Thus, the angle contained by the lines B, A and A, D is called the angle B, A, D, or D, A, B. 56. The circumference of every circle is supposed to be...and each degree into 60 minutes, each minute into 60 seconds ; and so on. Hence a semicircle contains 180 degrees, and a quadrant, 90 degrees. D B .E... | |
 | Thomas Keith - 1839 - 498 pages
...thus the arc ac is the measure of the angle aBc, and the arc DE is the measure of the angle ABC. (56) 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... | |
 | Benjamin Greenleaf - Arithmetic - 1841 - 334 pages
...middle. Thus, the angle contained by the lines B, A and A, D is called the angle B, A, D, or D, A, B. 56. The circumference of every circle is supposed to be...and each degree into 60 minutes, each minute into 60 seconds ; and so on. Hence u semicircle contains 130 degrees, and a quadrant, 90 degrees. GEOMETRICAL... | |
 | Charles Guilford Burnham - Arithmetic - 1841 - 324 pages
...passing through the centre ; and it divides the circle into two equal parts, called semi-circles. 14. The circumference of every circle is supposed to be...equal parts, called degrees; and each degree into 0O equal parts, called minutes; and each minute into 60 equal parts, called seconds; and these into... | |
 | Benjamin Naylor - Geography - 1851 - 154 pages
...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 - Arithmetic - 1851 - 178 pages
...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.... | |
 | John Radford Young - Arithmetic - 1852 - 230 pages
...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... | |
 | Charles Davies - 1852 - 344 pages
...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... | |
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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. 
