 | John Gregory - 1842 - 328 pages
...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 - Classical geography - 1844 - 362 pages
...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...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 - 356 pages
...and they are each 90 degrees from the equator. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; each...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... | |
 | Ezra Otis Kendall - Astronomy - 1845 - 404 pages
...quadrant or 90° from all points in the circumference of that circle. Every circle is considered as divided into 360 equal parts, called degrees ; each...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... | |
 | Scottish school-book assoc - 1845 - 444 pages
...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... | |
 | Nathan Scholfield - Conic sections - 1845 - 244 pages
...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 - 542 pages
...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... | |
 | Charles Davies - Geometrical drawing - 1846 - 254 pages
...angles. 26. How is it divided? It is divided into 360 equal parts called degrees, each degree is divided into 60 equal parts called minutes, and each minute...and seconds, are marked thus, °, ', " ; and 9° 18' 10", are read, 9 degrees, 18 minutes, and 10 seconds. 27. How are the angles measured? Suppose the... | |
 | Charles Davies - Arithmetic - 1846 - 378 pages
...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...and each minute into 60 equal parts called seconds. For astronomical purposes, the circumference of the circle is also supposed to be divided into 12 equal... | |
 | Henry Hopwood - 1846 - 250 pages
...English mathematicians, to be divided into 360 equal parts, called degrees; each degree is subdivided into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. Degrees are marked (°), minutes ('), and seconds ("). These degrees vary in length according to the... | |
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For this purpose it is 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 degrees, minutes, and seconds are marked thus ° ' " ; and 9° 18' 16", are read,... 
