 | Abel Flint - 1830 - 322 σελίδες
...centre; and it divides the 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... | |
 | George Crabb - 1830 - 438 σελίδες
...centre to the 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... | |
 | Alexander Ingram - 1830 - 458 σελίδες
...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 seconds, and so on. NOTE 3.... | |
 | Charles Davies - 1830 - 390 σελίδες
...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. 26. As the... | |
 | Ira Wanzer - 1831 - 408 σελίδες
...or 360 degrces,= {he ^. Note 1. — This table is used by Astronomers, Navigators, &c. Note 2. — The circumference of every circle is supposed to be...into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes ; each minute into 60 seconds, and each second into 60 thirds,... | |
 | George Crabb - 1831 - 426 σελίδες
...centre to the circumference; the segment of a circle is a part cut ofl' by a line 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... | |
 | Jeremiah Day - 1831 - 394 σελίδες
...measuring the latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each degree into 60 minutes, each minute into 60 seconds, each second into 60 thirds, &c, marked with the characters... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford - 1831 - 650 σελίδες
...poles. The brazen meridian is the circle in which the artificial globe turns, divided into 360 degrees. Every circle is supposed to be divided into 360 equal parts, called degrttt, each degree into CO equal parts, called minutes, each minute into 60 equal parts, called seconds,... | |
 | William Grier - 1832 - 366 σελίδες
...the other two on the two sides, D that which stands at the angular point is read in (he middle. 57. 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... | |
 | Charles Davies - 1833 - 284 σελίδες
...Ida. 26m. SSsec. 6. In 5927040 minutes how many weeks ? Ans. 588. CIRCULAR MEASURE OR MOTION. § 90. Circular measure is used in estimating latitude and...also in measuring the motions of the heavenly bodies. Every circle is sup posed to be divided into 360 equal parts, called de grees. TABLE. 60 seconds "... | |
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The circumference of every circle is supposed to be divided into 360 equal... 
