 | 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 - 340 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 - 844 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 - 398 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 - 628 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 - 340 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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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. 
