| Jeremiah Day - Geometry - 1824
...measuring the latter, a circle is introduced. The periphery of every circle, whether great or small, **is supposed to be divided into 360 equal parts called degrees, each degree into 60** minutes, each minute into 60 seconds, each second into 60 thirds, &c. marked with the characters °,... | |
| George G. Carey - Astronomy - 1825 - 166 pages
...still be in the plane of the circle. 8. Degrees, fyc. — All circles, whether great or small, are **supposed to be divided into 360 equal parts, called...and each minute into 60 equal parts, called seconds,** &c.f 9. An Angle is the inclination of two lines which meet in a point, and is always some part of... | |
| Industrial arts - 1825
...circumference of all circles, whether small or great, is supposed to be divided into 360 equal parts, which are **called degrees ; each degree into 60 equal parts called...and each minute into 60 equal parts called seconds,** in the same manner as a yard is divided into 3 equal parts called feet, a foot into 12 equal parts... | |
| Abel Flint - Geometry - 1825 - 241 pages
...Circumference of every Circle is sipposed to be divided into 360 equal part?, called Degrees ; and **each Degree into 60 equal parts, called Minutes ;...and each Minute into 60 equal parts, called Seconds** ; and these into Thirds, &c. JVote. Since all Circles are divided into the same number ot Degrees,... | |
| Thomas Keith - Navigation - 1826 - 442 pages
...the measure of the angle авс and the arc DE is the measure of the angle ABC. (H) The circumference **of every circle is supposed to be divided into 360...degrees, each degree into 60 equal parts called minutes,** each minute into 60 equal parts called seconds. The angles are measured by the number of degrees cut... | |
| Nathaniel Bowditch - Nautical astronomy - 1826 - 617 pages
...or small, are supposed to have their circumference divided into 360 equal parts, called degrees, and **each degree into 60 equal parts, called minutes ;...and each minute into 60 equal parts, called seconds,** and so on into thirds, fourths,* be. and an arch is said to be. of as many degrees as it contains parts... | |
| Thomas Keith - Globes - 1826 - 334 pages
...1820, is 14° 13' 7" ; and its declination 88° 20' 55" N. Connoissance des Terns, for 1820, p. 168. t **Every circle is supposed to be divided into 360 equal parts called degrees ; each** minute, into 60 equal parts called seconds, &c. : (a degree therefore is of different lineal extent,... | |
| Nathaniel Bowditch - Nautical astronomy - 1826 - 617 pages
...small, are supposed to have th cumference divided into 360 equal parts, called degrees, and each deçr **60 equal parts, called minutes ; and each minute into 60 equal parts.** seconds, and so on into thirds, fourths,* be. and an arch is said to bi many degrees as it contains... | |
| Miles Bland - Geometry - 1827 - 377 pages
...angle (7.) Till lately. Geometers almost unanimously agreed to divide the circumference of the circle **into 360 equal parts called Degrees ; each degree...each minute into 60 equal parts called Seconds, &c.** This method appeared to the Greek Geometers to afford some facilities for calculations, in consequence... | |
| James Ryan - Arithmetic - 1827 - 272 pages
...the 17th of March and the 25th of December ? Ans. 283. Division of the Circle. 47. The circumference **of every circle is supposed to be divided into 360 equal parts called degrees — each degree** is subdivided into 60 equal parts called minutes — each minute into 60 equal parts called seconds-^—... | |
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