 | Friedrich Christian Accum - 1813 - 488 σελίδες
...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... | |
 | John Gummere - 1814 - 398 σελίδες
...of a plane triangle, except the three angles, are given, the others are determined. 2. The periphery of every circle is supposed to be divided into 360...; each degree into 60 equal parts, called minutes ; and each minnte into 60 equal parts, called seconds, &c. 3. The measure of an angle is the arc of... | |
 | Jedidiah Morse - 1814 - 696 σελίδες
...and the diameter is 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...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 - 1814 - 558 σελίδες
...circumference into t wo 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 - 1815 - 388 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 mintite into 60 seconds? each second into 60 thirds, fkc. marked with the characters... | |
 | Jeremiah Day - 1815 - 172 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 second?. each second into 60 thirds, &c. marked with flie characters °,... | |
 | John Dougall - 1815 - 514 σελίδες
...-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 - 1816 - 220 σελίδες
...parts ; and small 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...degrees ; each degree into 60 equal parts called minutes ; and each minute into 60 seconds. Q. What is a meridian ? A. It is a great circle cutting the equator... | |
 | Olinthus Gregory - 1816 - 278 σελίδες
...of the angle ACB. 10. The circumference of a circle is supposed to be divided, or to be divisible, into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes ; each of these into 60 equal parts, called seconds ; and so on, to the minutest possible subdivisions. Of... | |
 | John Bonnycastle - 1816 - 490 σελίδες
...and the equator, we are enabled to judge of the situation of the place with respect to its latitude. Every circle is supposed to be divided into 360 equal parts, called degrees, and every degree into sixty equal parts, called minutes; so that, from these considerations, you will... | |
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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. 
