| William Phillips - Mineralogy - 1844 - 662 pages
...which they consist. In measuring angles, the circle is divided into 360 equal parts, called degrees ; **each degree into 60 equal parts, called minutes ; and each minute into 60** seconds : the divisions being thus designated : 360°, 60', GO". If one fourth part of the circle,... | |
| Ezra Otis Kendall - Astronomy - 1845 - 365 pages
...circumference of 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... | |
| Nathan Scholfield - Conic sections - 1845
...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 - 232 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,... | |
| Scottish school-book assoc - 1845
...quadrant. 3. In trigonometry all the angles round a point are divided into 360 equal parts, called degrees, **each degree into 60 equal parts, called minutes, and each minute into** "0 equal parts, called seconds. Degrees, minutes, and seconds, are respectively designated by these... | |
| Charles Davies - Arithmetic - 1846 - 399 pages
...CIRCLE 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 purposes, the circumference of the circle is also supposed to be divided... | |
| Henry Hopwood - 1846
...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... | |
| John Lee Comstock - Physics - 1852 - 408 pages
...star A. 132. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees ; **each degree into 60 equal parts, called minutes, and each minute into 60** parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign having... | |
| James B. Dodd - 1853
...393. The Circumference of every circle is conceived 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. Degrees, minutes, and seconds, are denoted thus 25o 30' 45", 25 deg. 30 nin. 45 sec. $ 395.... | |
| Thomas Lund - Geometry - 1854 - 192 pages
...inches, &c., so the right angle is supposed to be divided into 90 equal angles or parts, called degrees; **each degree into 60 equal parts called minutes; and each minute into 60 equal parts called** seconds. Hence a right angle is arithmetically expressed by 90 degrees, usually written thus, 90°... | |
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