 | Thomas Keith - 1811 - 388 páginas
...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 parts, called degrees ; each degree into 60 equal parts called minutes ; each minute into 60 equal parts called seconds,... | |
 | Charles Hutton - 1811 - 406 páginas
...and the other two on the two sides, that which stands at the angular point is read in the middle. 57. The circumference of every circle is supposed to be divided into 360 equnl parts, called Degrees : and each degree into 60 Minutes, each minute into 60 Seconds, and so... | |
 | Adam Walker - 1812 - 92 páginas
...language of geography 59° 56'N. and 30° 24'E.; for every circle, large or small, real or imaginary, is supposed to be divided into 360 equal parts, called degrees ; and every degree into 60 parts, called minutes; and every minute into 60 parts, called seconds, marked... | |
 | Robert Gibson - 1814 - 558 páginas
...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...equal parts called degrees, and each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds, and tiiese into thirds,... | |
 | Jedidiah Morse - 1814 - 696 páginas
...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 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... | |
 | 1814 - 402 páginas
...DE. and it is a chord to both segments of the circle, as DFE and DGE. 12. A Circle is actually, or supposed to be divided into 360 equal parts, called Degrees, and each degree into 60 equal parts, called Minutes ; and these into seconds, &c. 13. An Angle is so many degrees, as lines... | |
 | John Gummere - 1814 - 398 páginas
...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 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minnte into 60 equal parts, called seconds,... | |
 | Abner Alden - 1814 - 222 páginas
...earth ? A. By supposing the earth to be circumscribed by a .certain number of circles ; and each circle 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. Q. What is a great... | |
 | Nathaniel Dwight - 1816 - 220 páginas
...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 divided into 360 equal parts called degrees ; each degree into 60 equal parts called minutes ; and each minute into 60 seconds. Q. What is a meridian... | |
 | John Bonnycastle - 1816 - 490 páginas
...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 readily... | |
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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 ; and these into thirds, &c. 
