 | Thomas Curtis - 1829 - 814 pàgines
...and the oilier two sides 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... | |
 | James Hale - 1829 - 124 pàgines
...Supplement of the Arch FA. Fig. 10. 28. The Circumference of every Circle is supposed to be divided into 300 equal parts, called Degrees ; each Degree into 60 equal parts, called Minutes ; and these into Thirds, &,c. 29. The measure of an Angle is the Arch of a Circle contained between two Lines... | |
 | Charles Davies - 1830 - 390 pàgines
...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,...each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. 26. As the circumference of a circle may be regarded... | |
 | Abel Flint - 1830 - 322 pàgines
...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... | |
 | Alexander Ingram - 1830 - 458 pàgines
...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.... | |
 | George Crabb - 1830 - 438 pàgines
...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... | |
 | Francis Joseph Grund - 1830 - 274 pàgines
...arcs of circles, described with any radius between their legs. The circumference is for this purpose divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; each minute again into 60 equal parts, called seconds, &c. 16. The magnitude of an angle does not depend... | |
 | Adrien Marie Legendre - 1830 - 344 pàgines
...of trigonometrical calculations, the circumference of the circle is conceived to be divided into 36O equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. The semicircumference, or the measure of two right... | |
 | Ira Wanzer - 1831 - 408 pàgines
...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...degrees; each degree into 60 equal parts, called minutes ; each minute into 60 seconds, and each second into 60 thirds, &c. 16. Of Particulars. 12 Particular... | |
 | George Crabb - 1831 - 426 pàgines
...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... | |
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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 60 equal parts, called seconds. 
