... 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 designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and... The Geometrician: Containing Essays on Plane Geometry, and Trigonometry ... - Page 60by Benjamin Donne - 1775 - 159 pagesFull view - About this book
| Benjamin Franklin Edmands - Geography - 1841 - 75 pages
...See fig. 2. A DEGREE is the 360th part of a circle, and contains CPJ English miles ; each degree is **divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds.** They are marked (°) degrees, (') minutes, (") seconds. The LONGITUDE of a place, is its distance from... | |
| Charles Davies - Navigation - 1835 - 359 pages
...calculations, the circumference of the circle 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.** PLANE TR16ONOMETRY. As the circumference of a circle maybe regarded as a proper measure of angles,... | |
| Charles Guilford Burnham - Arithmetic - 1841 - 312 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.... | |
| Roswell Chamberlain Smith - Arithmetic - 1841 - 311 pages
...through the centre of the earth. 15 CORRESPOH D, [L. eorrespondeo.} To answer to ; communicate with. **parts, called minutes, and each minute into 60 equal parts, called seconds.** 76. The circumference1 of the earth is a great circle of 360 de prees. On this circle every minute... | |
| 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 - 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** secotuls. They are marked thus, 23° 88' 16"; ie 23 degrees, 28 minutes, and 16 seconds. The Less Circles... | |
| Scottish school-book assoc - 1845
...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... | |
| Nathan Scholfield - Conic sections - 1845 - 232 pages
...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
...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... | |
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