| Charles Guilford Burnham - Arithmetic - 1841 - 324 pages
...every circle is supposed to be divided into 360 equal parts, called degrees; and each degree into 0O **equal parts, called minutes; and each minute into 60 equal parts, called seconds;** and these into thirds, &c. Hence a semi-circle containi 180 degrees, and a quadrant 90 degrees. 15.... | |
| John Gregory - 1842 - 301 pages
...standard derived from the division of a circle into 360 equal parts, called degrees ; each degree being **divided into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds,** &c. As angles are proportional to the arcs on which they stand (33.6,) the subdivision of the circumference... | |
| Joseph Emerson Worcester - Geography - 1844 - 331 pages
...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 marked thus, 23° 28' 16"; ie 83 degrees, 23 minutes, and 16 seconds. The Equator is an... | |
| Joseph Emerson Worcester - Classical geography - 1844 - 360 pages
...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** secotuls. They are marked thus, 23° 88' 16"; ie 23 degrees, 28 minutes, and 16 seconds. The Less Circles... | |
| Nathan Scholfield - Conic sections - 1845 - 244 pages
...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 parts called seconds** ; and so on, to thirds, fourths, &c. These divisions are designated by the following characters, °... | |
| Nathan Scholfield - Conic sections - 1845
...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 parts called seconds** ; and so on, to thirds, fourths, &c. These divisions are designated by the following characters, 0... | |
| Scottish school-book assoc - 1845 - 434 pages
...circle is supposed to be divided into 300 equal parts, called degrees, and each degree is supposed to be **divided into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds.** Degrees, minutes, and seconds, are distinguished by the following marks : — 7° 3' 24", which is... | |
| Ezra Otis Kendall - Astronomy - 1845 - 406 pages
...that circle. Every circle is considered as 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 marked 0 ' " — thus: 10° 2' 20" — which is read ten degrees, two minutes, and twenty... | |
| Nathan Scholfield - 1845 - 896 pages
...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 parts called seconds ; and so on, to thirds, fourths, &c. These divisions are designated by... | |
| Charles Davies - Geometrical drawing - 1846 - 254 pages
...the measurement of angles. 26. How is it divided? It is divided into 360 equal parts called degrees, **each degree is divided into 60 equal parts called...and each minute into 60 equal parts called seconds.** The degrees, minutes, and seconds, are marked thus, °, ', " ; and 9° 18' 10", are read, 9 degrees,... | |
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