| 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... | |
| Scottish school-book assoc - 1845 - 444 pages
...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 - 370 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 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 magnitude... | |
| 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 into 60 equal parts called seconds.** The degrees, minutes, and seconds, are marked thus, °, ', " ; and 9° 18' 10", are read, 9 degrees,... | |
| Mary Somerville - Physical sciences - 1846 - 506 pages
...the iŤa. 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... | |
| Anthony Nesbit - Plane trigonometry - 1847 - 492 pages
...The 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... | |
| James Robinson (of Boston.) - 1847 - 304 pages
...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... | |
| Charles Davies, William Guy Peck - Mathematics - 1857 - 608 pages
...somewhat longer than the sidereal. Each day is divided into 24 equal parts, called hours ; each hour **into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds** ; and, according to the kind of day which is thus subdivided, we have mean solar, or sidereal lime... | |
| Dana Pond Colburn - 1858 - 288 pages
...whether large or small, is supposed to contain 360 equal parts, called DEGKEES ; each degree is divided **into 60 equal parts, called MINUTES ; and each minute into 60 equal parts, called SECONDS.** NOTE. — Tho length of a degree, as well as that of its subdivisions, varies with the size of the... | |
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