 | John Lockhart (of Kirkcaldy.) - 1862 - 216 pages
...equal parts or hemispheres, is called ? A great circle. And all others are called ? Small circles. Every circle, whether great or small, is supposed to be divided into ? 360 degrees. Each degree into ? 60 minutes. And each minute into 1 60 seconds. It is evident, therefore,... | |
 | Shelton Palmer Sanford - Arithmetic - 1872 - 404 pages
...and surveying, and in estimating the motions of the heavenly bodies. ART. 181. The circumference of every circle, whether great or small, is supposed to be divided into 360 equal parts, called (ftyreet. A degree, therefore, is not a quantity of invariable length, like a foot or a yard, but it... | |
 | William Hughes - Geography - 1882 - 220 pages
...the direction of east and west. The amount either of latitude or longitude is expressed in degrees. Every circle, whether great or small, is supposed to be divided into 360 equal parts or Degrees. A quarter of a circle (or quadrant) contains, therefore, 90 degrees. 9. Latitude is distance... | |
 | Nelson Thomas and sons, ltd - 1884 - 266 pages
...sured, not In miles, but In degrees, or parts of a circle. 1. Every circle, no matter how large or how small, is supposed to be divided into 360 equal parts, called degrees. The distance of the Equator from each of the Poles is quarter of a circle, or 90 degrees. A point midway... | |
 | William Hughes - 1908 - 942 pages
...centre subtends or extends across these four angles. For the purpose of measuring angles and distances, every circle, whether great or small, is supposed to be divided into 360 equal parts or Degrees; a semi-circle contains, therefore, 180 equal parts or degrees, and a quarter of a circle,... | |
 | Charles H. Gleason - Arithmetic - 1910 - 536 pages
...on the scale of J in. to 1 ft. MEASUREMENT OF ANGLES 324. The circumference of every circle, large or small, is supposed to be divided into 360 equal parts, called degrees (°); each degree into 60 minutes ('); and each minute into 60 seconds ("). Thus: the circumference... | |
 | Daniel Adams - Arithmetic - 1848 - 310 pages
...peck 1 qt. ; what was the average per acxe ? COMPOUND NUMBERS 171 IT 132* Difference in lo?tgitude and time between different places. Every circle, whether...of the earth, called the equator, divided, as you h^re see, into 24 equal parts of 15 degrees each, (360C ~ 24 =* 15°.) As the sun apparently passes... | |
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Difference in longitude and time between different places. Every circle, whether great or small, is supposed to be divided into 360 equal parts, called degrees. Let the accompanying diagram represent the great circle of the earth, called the equator,... 
