| John Lee Comstock - Physics - 1813 - 340 pages
...constellation, and near trfB star a. 762. Each of the 12 signs of the zodiac is divided into 30 smaller **parts, called degrees ; each degree into 60 equal parts, called minutes, and each minute into 60** parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign having... | |
| 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... | |
| Charles Butler - Mathematics - 1814
...angle. It is usual to divide the whole circumference into 360 equal parts called degrees, to subdivide **each degree into 60 equal parts called minutes, and...each minute into 60 equal parts called seconds, &c.** wherefore, if an angle at the centre be subtended by an arc which consists of suppose 30 degrees, that... | |
| 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... | |
| Robert Gibson - Electronic books - 1814 - 508 pages
...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 60** minutes, each minute into 60 second?. each second into 60 thirds, &c. marked with flie characters °,... | |
| Jeremiah Day - Measurement - 1815 - 96 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 60** minutes, each mintite into 60 seconds? each second into 60 thirds, fkc. marked with the 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** nantîtes, each minute into OU equal part« called seconds, each second into (Hi equal parts called... | |
| Nathaniel Dwight - Geography - 1816 - 213 pages
...circles, which divide it into unequal parts. Q. What are the degrees of a circle ? A. The circumference **of every circle is supposed to be divided into 360...equal parts called minutes ; and each minute into 60** seconds. Q. What is a meridian ? A. It is a great circle cutting the equator at right angle's', and... | |
| Euclides - 1816 - 528 pages
...II. The circumference of a circle is supposed to be divided fnto 360 equal parts called degrees, and **each degree into 60 equal parts called minutes, and...each minute into 60 equal parts called seconds, &c.** And as many degrees, minutes, seconds, &c. as are contained in any arc h, of so many degrees, minutes,... | |
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