... 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
| Ezra Otis Kendall - Astronomy - 1845 - 365 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... | |
| Charles Davies - Geometrical drawing - 1846 - 240 pages
...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 minutes, 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,... | |
| Charles Davies - Arithmetic - 1846 - 399 pages
...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 into 12 equal... | |
| 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 to the... | |
| Mary Somerville - Physical sciences - 1846 - 460 pages
...NOTE 50, p. 9.— Ninety degrees. A circle is divided into 360 equal parts, or degrees ; each degree **into 60 equal parts, called minutes; and each minute into 60 equal** pans, called seconds. It is usual to write these quantities thus, 15° 16' 10", which means fifteen... | |
| James Robinson (of Boston.) - 1847
...circumference of every circle is supposed to be 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.** Hence, a semicircle measures 180 degrees, and a quadrant 90 degrees. 46. The measure of an angle is... | |
| Anthony Nesbit - Plane trigonometry - 1847 - 426 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.** 40. The diameter of a circle is a right line drawn through the centre, and terminating in the circumference... | |
| Daniel Adams - Arithmetic - 1849 - 128 pages
...10. The circumference of every 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.** 11. Degrees, minutes, and seconds, are marked respectively °, ', "; they are used in mensuration and... | |
| Rufus Putnam - Arithmetic - 1849
...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.** Hence, a semicircle contains 180 degrees, and a quadrant, 90 degrees. 46. AN ELLIPSE is an oval figure,... | |
| Mary Somerville - Physical sciences - 1849 - 524 pages
...sun. NOTE 50, p. 11. Ninety degrees. A circle is divided into 360 equal parts, or degrees; each degree **into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds.** It is usual to write these quantities thus, 15° Ki' Id", which means fifteen degrees, sixteen minutes,... | |
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