 | Samuel Maunder - Encyclopedias and dictionaries - 1843 - 914 pages
...in the centre and turning the other round to trace out the circumference. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees and marked ° ; and each degree into 60 mi nutes, marked'. The word Circle is also used to describe... | |
 | Joseph Emerson Worcester - Classical geography - 1844 - 362 pages
...unequal parts. These are four, the two tropics, and the two polar circles. 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. " They are... | |
 | Enoch Lewis - Conic sections - 1844 - 234 pages
...semicircle, is called its supplement. Thus BHD is the supplement of AB. 10. The circumference of 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, &c. Degrees,... | |
 | Charles Davies - Arithmetic - 1844 - 666 pages
...estimating latitude and longitude, and also in measuring the motions of the heavenly bodies. Every circle is supposed to be divided into 360 equal parts, called degrees. 60 seconds " make 1 minute, marked '. 60 minutes - - 1 degree, - - °, 30 degrees - - 1 sign, - - -... | |
 | Nathan Scholfield - Conic sections - 1845 - 244 pages
...the arc of the circumference may be regarded as the measure of angular magnitude. For this purpose the circumference of the circle is supposed to be divided into 360 equal parts, called degrees, and each of those degrees is divided into 60 equal parts called minutes, and each minute into 60 equal... | |
 | Nathan Scholfield - 1845 - 894 pages
...the arc of the circumference may be regarded as the measure of angular magnitude. For this purpose the circumference of the circle is supposed to be divided into 360 equal parts, called degrees, and each of those degrees is divided into 60 equal parts called minutes, and each minute into CO equal... | |
 | Nathan Scholfield - Conic sections - 1845 - 542 pages
...the _ arc of the circumference may be regarded as the measure of angular magnitude. For this purpose the circumference of the circle is supposed to be divided into 360 equal parts, called degrees, and each of those degrees is divided into 60 equal parts called minutes, and each minute into 60 equal... | |
 | Horatio Nelson Robinson - Arithmetic - 1845 - 310 pages
...calculating latitude and longitude, and also in measuring the motions of the heavenly bodies. Every circle is supposed to be divided into 360 equal parts, called degrees. TABLE. 60 seconds (") make 1 minute, . marked 60 minutes, 1 degree, ° 30 degrees 1 sign, s. 12 signs,... | |
 | Robert Griffith Hatfield - Architecture - 1845 - 326 pages
...then each of the two angles is called a right angle. 131. — Definition. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; hence a semi-circle contains 180 degrees, a quadrant 90, &c. o Fig. 96. 132. — Definition. The... | |
 | Charles Davies - Arithmetic - 1846 - 378 pages
...236, the number of days required ; and so of others. DIVISION OF THE CIRC1E MEASURE OF TIME. 40. 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. For astronomical... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees... 
