| 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 divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into... | |
| 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 divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; and so on. 48. The measure... | |
| Rufus Putnam - Arithmetic - 1849 - 402 pages
...SEMICIRCLE is a half of a circle bounded by a diameter and a semicircle ; as, the surface к FH К. 45. 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... | |
| Thomas Baker - Railroads - 1850 - 244 pages
...CE be drawn, the space, bounded by these radii and the arc FE, will be the sector of a circle. 27. 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, &c. Hence... | |
| Charles Guilford Burnham - 1850 - 350 pages
...passing through the centre ; 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... | |
| Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...the middle. Thus, the 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... | |
| Charles Haynes Haswell - Engineering - 1851 - 346 pages
...that touches a circle without cutting iL A. Cotangent is the tangent of the complement of the arc. i The . Circumference of every circle is supposed to be divided into 360 equal parts .led Degrees ; each degree into 60 Minutes, and each minute into 60 Seconds, and on. The... | |
| Alexander Ingram - 1851 - 204 pages
...angle, the sector is called 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... | |
| 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... | |
| 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.... | |
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