| Francis Lieber - Encyclopedias and dictionaries - 1851 - 630 pages
...circle in which the artificial globe turns, divided into 360 degrees. Every circle is supposed to be **divided into 360 equal parts, called degrees, each...degree into 60 equal parts, called minutes, each minute** into 60 equal parts, called seconds, &c. ; a degree is therefore only a relative idea, and not an absolute... | |
| James B. Dodd - Arithmetic - 1852 - 410 pages
...Circumference, and the Measure of Angles. § 304. The Circumference of every circle is conceived 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. Degrees, minutes, and seconds, are denoted thus... | |
| Jeremiah JOYCE - Science - 1852 - 430 pages
...contained by the two legs, having the angular point for its centre. 4. 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. Degrees, minutes, and seconds are marked at the... | |
| Charles Davies - Geometry - 1886 - 334 pages
...Definitions. 28. The circumference of a circle is used for the measurement of angles. For this purpose it 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. The degrees, minutes, and seconds are marked thus... | |
| John William Norie - Nautical astronomy - 1852 - 848 pages
...within the circumference. The circumference of every circle is usually supposed to be divided into 860 **equal parts, called DEGREES ; each degree into 60 equal parts, called MINUTES ; each minute** into 60 equal parts, called SECONDS ; and so on. Degrees, minutes, and seconds, are thus expressed,... | |
| James B. Dodd - 1853 - 402 pages
...Circumference, and the Measure of Angles. § 393. The Circumference of every circle is conceived 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. Degrees, minutes, and seconds, are denoted thus... | |
| Charles Davies, William Guy Peck - Mathematics - 1855 - 630 pages
...computation. For the purpose of comparing angles in this system of measurement, the entire circumference 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. The right angle contains 90 degrees. The radius... | |
| Charles Davies - Geometry - 1855 - 336 pages
...GEOMETRYDefinitions 28 The circumference of a 'circle is used for the measurement of angles- For this purpose it is **divided into 360 equal parts called degrees, each degree into 60 equal parts called** ninutes, and each minute into 60 equal parts called secondsThe degrees, minutes, and seconds are marked... | |
| Charles Davies, William Guy Peck - Electronic book - 1855 - 592 pages
...purpose of comparing angles in this system of measurement, the entire circumference is divided into 300 **equal parts, called degrees, each degree into 60 equal parts, called minutes,** and each minute into 60 equal parts, called seconds. The right angle contains 90 degrees. The radius... | |
| Hiram Mattison - Astronomy - 1856 - 254 pages
...is sometimes called radiations or radiance. All circles, whether great or small, are 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 respectively thus: Degrees (°),... | |
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