 | Thomas Curtis - Aeronautics - 1829 - 814 pages
...are called the LEGS, or sometimes the base and perpendicular. Fig. 10. 40. The circumference of every circle is supposed to be divided into 360 equal parts, called DEGREES, and each degree into sixty MIMUTES, each minute into sixty SECOND, and so on. Hence a semicircle contains 180... | |
 | Arithmetic - 1829 - 196 pages
...MEASURING LAND. 386* TRIGONOMETRY is the art of measuring TRIANGLES. 38T* The PERIPHERY of every cirele is supposed to be divided into 360 equal parts, called DEGREES; and each degree into 60 other equal parts, called minutes, &c. * Tfiuse who would wish to pursue this study,... | |
 | John Bonnycastle - Geometry - 1829 - 256 pages
...the other two sides are called legs. PRACTICAL GEOMETRY. 21 D / -E 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 - Surveying - 1830 - 318 pages
...triangle, from those sides and angles that are given. 25. For the purposes of trigonometrical calculations, the circumference of the 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.... | |
 | Abel Flint - Surveying - 1830 - 322 pages
...circle into two equal parts, called semicircles ; as AB or DE. Fig. 5. 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 seconds ; and... | |
 | G. Rubie - Astronomy - 1830 - 204 pages
...that which divides the Earth or Heavens into two unequal parts. Every Circle, whether great or small, is supposed to be divided into 360 equal parts, called degrees ; and each degree is subdivided into 60 equal parts, called minutes or miles; therefore, a Semicircle contains... | |
 | Alexander Ingram - Mathematics - 1830 - 458 pages
...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 seconds, and so on. NOTE 3. If two... | |
 | George Crabb - Industrial arts - 1830 - 438 pages
...circumference; the segment of a circle is a part cut off by a liue called the chord. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees, every degree into 60 parts called minutes, and every minute into 60 parts called seconds. Solids are... | |
 | John Nicholson (Civil engineer) - Building - 1830 - 240 pages
...radii and an arc, as BIK (Fig. 19). 49. The circumference of every circle, whether great or small, is supposed to be divided into 360 equal parts, called degrees ; and every degree into 60 parts, called minutes ; and every minute into 60 seconds. To measure the inclination... | |
 | Ira Wanzer - Arithmetic - 1831 - 408 pages
...Note 1. — This table is used by Astronomers, Navigators, &c. Note 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 ; each minute into 60 seconds, and each second into... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees... 
