| Charles Guilford Burnham - 1850 - 350 pages
...; and it divides the circle into two equal parts called semicircles. 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... | |
| Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...angle contained by the lines BA and AD is called the angle BAD, or DA B. 56. 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. Hence a semicircle contains... | |
| Alexander Ingram - 1851 - 202 pages
...a Quadrant ; and, if half a right angle, it is called an Octant. NOTE 2. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees, and a degree into 60 equal parts, called minutes, and a minute into 60 seconds, and so on. Degrees... | |
| Charles Davies - Arithmetic - 1851 - 178 pages
...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.... | |
| Charles Davies - Navigation - 1852 - 412 pages
...of the six parts is given. 3. For the purpose of trigonometrical calculation, the circumference of the circle is supposed to be divided into 360 equal parts, called degrees ; each degree is supposed . to be divided into 60 equal parts, called minutes ; and each minute into... | |
| Adrien Marie Legendre - Geometry - 1852 - 436 pages
...of the six parts is given. 3. For the purpose of trigonometrical calculation, the circumference of the circle is supposed to be divided into 360 equal parts, called degrees ; each degree is supposed to be divided into 60 equal parts, called minutes; and each minute into 60... | |
| Charles Davies - Geometry - 1886 - 340 pages
...of the six parts is given. 21. For the purpose of trigonometrical calculation, the circumference of the circle is supposed to be divided into 360 equal parts, called degrees ; each degree is supposed to be di. rided into 60 equal parts, called minutes ; and each minute into... | |
| John Radford Young - Arithmetic - 1852 - 230 pages
...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 - Science - 1852 - 430 pages
...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.... | |
| Charles Davies - 1852 - 344 pages
...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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