| Charles Guilford Burnham - 1857 - 342 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** ; and these into thirds, etc. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 15.... | |
| Charles Guilford Burnham - Arithmetic - 1857 - 328 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** ; and these into thirds, etc. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 15.... | |
| 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... | |
| Dana Pond Colburn - Arithmetic - 1859 - 288 pages
...large or small, is suppose^ to contain 360 equal parts, called DEGREES ; each degree is divided into G0 **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 subdivision?, varies with the size of the circle.... | |
| Dana Pond Colburn - Arithmetic - 1860 - 388 pages
...l.irge or small, is supposed to be divided into 3t10 equal p:\rts called degrees. Each degree is divided **into 60 equal parts, called minutes, and each minute into 60 equal parts, called** ccconds. (g.) A degree is to be regarded simply as the S60th part of the circumference of the circle... | |
| Josiah Lyman - Protractors - 1862 - 92 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,** &c. 9. The Measure of an angle is the arc intercepted between the two lines that form the angle ; and... | |
| William Frothingham Bradbury - Plane trigonometry - 1864 - 324 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** ( "). 34. The RADIUS of a circle is a line drawn from the centre to the circumference ; as C B. All... | |
| C. Davies - 1867 - 342 pages
...supposed to be divided into 360 equal parts, called degrees ; each degree is supposed to be divided **into 60 equal parts, called minutes ; and each minute into 60 equal parts, called** secondsTRIGONOMETRY Definitionsby the characters ° ' "- For example, ten degrees, eighteen minutes,... | |
| Asa Smith - 1868 - 84 pages
...circumference of every circle ¡в supposed to be divided into and equal parts, called degrees ; each degree **into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.** Circumpolar Start.— Those stars which revolve around the pole without passing below the horizon.... | |
| Charles Davies, Adrien Marie Legendre - Geometry - 1869 - 470 pages
...the quadrant is divided into 90 equal parts, each of which k called a degree ; each degree into 00 **equal parts, called minutes ; and each minute into 60 equal parts, called seconds.** Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7° 22' 33",... | |
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