| John Dougall - 1815 - 476 páginas
...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 - 213 páginas
...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 ? A. It is a great circle cutting the equator... | |
| Thomas Keith, William Hawney - 1817
...n is the measure of the angle ABC. 14. 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. The angles are measured by the number of degrees... | |
| Miles Bland - 1819 - 377 páginas
...Till lately, Geometers almost unanimously agreed to divide the circumference of the circle into 36o **equal parts called Degrees ; each degree into 60 equal parts called Minutes;** and each minute into 60 equal parts called Seconds, &c. This method appeared to the Greek Geometers... | |
| Miles Bland - 1819 - 377 páginas
...Till lately, Geometers almost unanimously agreed to divide the circumference of the circle into 36o **equal parts called Degrees ; each degree into 60 equal parts called Minutes** ; and each minute into 60 equal parts called Seconds, &c. This method appeared to the Greek Geometers... | |
| William Hawney - 1820 - 312 páginas
...GH is the measure of the angle ABC. 1*. 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. Angles are measured by the number of degrees... | |
| Bewick Bridge - 1821 - 227 páginas
...arithmetically the magnitude of angles, the whole circumference of the 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. &c. And since arcs are the measures of angles, every... | |
| Anthony Nesbit, W. Little - 1822 - 533 páginas
...circle bounded by an arc sad two radii. 47. 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, &c. 48. The arc of a quadrant contains 90 degrees,... | |
| Joseph Emerson Worcester - 1822 - 322 páginas
...two tropics, and (he 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 00 equal parts, called seconds. They are marked thus, 23° 28' 16" ; i- e. 33... | |
| William Jillard Hort - 1822
...measure of the angle contained by the lines CA and CH. 2. If the circumference of a circle 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 ; and so on ; then, as many degrees, minutes, and... | |
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