| Thomas Simpson - Trigonometry - 1810 - 125 pages
...certain right lines in 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** 36O equal parts, called degrees; and each degree into 60 equal parts, called minutes ; and each minute... | |
| Thomas Keith - Astronomy - 1811 - 346 pages
...ascention, for the beginning of the year 1804, was 13° 14' 43" and its declination 80° "15' 44" north. $ **Every circle is supposed to be divided into 360 equal...degrees ; each degree into 60 equal parts called minutes** ; each minute into 60 equal parts called seconds, &c. ; a degree is, therefore, only a relative idea,... | |
| Edward Augustus Kendall - 1811
...measured by the arcs of a circle, contained between the two legs, having the angular point for its centre. **Ev.ery circle is supposed to be divided into 360 equal...parts, called degrees ; each degree into 60 equal** parti, called minutes $ each minute into' 60 equal parts, called seconds. " An angle is said to be... | |
| Robert Gibson, D. P. Adams - Surveying - 1811 - 508 pages
...parts, called semicircles ; and is double the radius, as AB or DE. fig. 8. m *!6. 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 caled seconds,... | |
| Abel Flint - Surveying - 1813 - 168 pages
...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 Seconds;... | |
| Friedrich Christian Accum - Crystallography - 1813 - 396 pages
...the circumference of a circle is the standard of comparison. This circle, of whatever size it may be, **is supposed to be divided into 360 equal parts, called degrees ; each degree** is again subdivided into 60 equal parts, called minutes, and every minute is subdivided into 60 seconds... | |
| Jedidiah Morse - Geography - 1814 - 670 pages
...equal to two radii, or the longest straight line, that can be drawn in a circle. The circumference **of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60** minutes ; each minute into 60 seconds. An arc of a circle is the measure of an angle. Thus a right... | |
| Surveying - 1814
...equal parts, called semicircles; and isdoublethe radius, as AB or DE. fig. 8. 16. 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,... | |
| Jeremiah Day - Logarithms - 1815 - 126 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 degrees, each degree into-** 6O minutes, etich minute into 60 second?, each second into 60 thirds, &.c. marked with flie characters... | |
| John Dougall - Encyclopedias and dictionaries - 1815 - 476 pages
...-complement, or shortrv, the co-sine of the ar<j В S. The circumference of the globe of the earth being **divided into 360 equal parts called degrees, each degree into 60 equal parts called** nantītes, each minute into OU equal part« called seconds, each second into (Hi equal parts called... | |
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