 | Charles Davies - Geometry - 1850 - 218 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... | |
 | Charles Davies - Geometry - 1850 - 238 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... | |
 | Francis Lieber - Encyclopedias and dictionaries - 1851 - 630 pages
...the circle in which the artificial globe turns, divided into 360 degrees. Every circle is supposed to be divided into 360 equal parts, called degrees,...parts, called minutes, each minute into 60 equal parts, called seconds, &c. ; a degree is therefore only a relative idea, and not an absolute quantity, except... | |
 | Richard Phillips (sir.) - 1851
...consequently, divide it into two unequal parts. 107. All circles, whether great or less, are supposed to be divided into 360 equal parts, called degrees ; each degree into sixty equal parts, called minutes ; and each minute into sixty equal parts called seconds. Degrees... | |
 | 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...called MINUTES ; each minute into 60 equal parts, called SECONDS ; and so on. Degrees, minutes, and seconds, are thus expressed, 40° 3# 15"; that is... | |
 | Jeremiah Joyce - Science - 1852 - 430 pages
...circle 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... | |
 | James B. Dodd - Arithmetic - 1852 - 410 pages
...the 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... | |
 | 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... | |
 | James B. Dodd - 1853 - 398 pages
...the 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... | |
 | Lucius D. Gould - Carpentry - 1853 - 234 pages
...line AC and EC, is called the angle ACE, or EGA. Fig. 9. The circumference of every circle is supposed to be divided into 360 equal parts, • called degrees, each degree into 60 minutes, and each minute into 60 seconds, etc. A semicircle, therefore, contains 180 degrees, and a... | |
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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. 
