 | Bewick Bridge - Algebra - 1821 - 648 pages
...For the purpose of exhibiting arithmetically the magnitude of angles, the whole circumference of the circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; each minute into 60 equal parts, called seconds; &c. &c. And since arcs... | |
 | Thomas Simpson - Algebra - 1821 - 426 pages
...and about the circle, be supposed divided into some assigned number of equal parts. 2. The periphery 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... | |
 | Sidney Edwards Morse - Atlases - 1822 - 706 pages
...to Geography. EXPLANATION OF TERMS. Angle. An angle is the space included between two lines, which meet each other. Circle. A circle is a regular figure,...degrees ; each degree into 60 minutes ; each minute into GO seconds. An arc of a circle is part of its circumference. All angles are measured by arcs of circles,... | |
 | Joseph Emerson Worcester - Atlases - 1822 - 354 pages
...ecli^tc, and the two colurvs. equal parts. These are four, the two tropics, and (he two polar circles. The circumference of every circle is supposed to be...equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 00 equal parts, called seconds. They are marked... | |
 | Anthony Nesbit, W. Little - Measurement - 1822 - 916 pages
...part of a circle, as ADC. " *fi. A sector is any part of a circle bounded by an arc sad two radii. 47. The circumference of every circle is supposed to be...equal parts, called degrees ; each degree into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds, &c. 48. The arc of... | |
 | William Jillard Hort - 1822 - 308 pages
...and in more modern times, Napier, the inventor of logarithms, and Briggs. In plane trigonometry, the circle is supposed to be divided into 360 equal parts, called degrees ; every degree into 60 equal parts, called minutes ; every minute into 60 equal parts, called seconds... | |
 | Jeremiah Day - Geometry - 1824 - 440 pages
...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...degree into 60 minutes, each minute into 60 seconds, each second into 60 thirds, &c. marked with the characters °, ', ", '", &c. Thus 32° 24' 1 3" 22"'... | |
 | Anthony Nesbit - Surveying - 1824 - 476 pages
...part of a circle, as ADC. 46. A sector is any part of a circle bounded by an arc and two radii. 47. The circumference of every circle is supposed to be...equal parts, called degrees ; each degree into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. 48. The arc of a... | |
 | George G. Carey - Astronomy - 1825 - 274 pages
...still be in the plane of the circle. 8. Degrees, fyc. — All circles, whether great or small, are 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, &c.f 9. An Angle... | |
 | Thomas Keith - Navigation - 1826 - 504 pages
...thus the arc ac is the measure of the angle авс and the arc DE is the measure of the angle ABC. (H) The circumference of every circle is supposed to be...360 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds. The angles are measured... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees... 
