 | Daniel Adams - Arithmetic - 1849 - 142 pages
...circle. Thus, AFB, BFC, and CFD, are sextants. 10. The circumference of every circle 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. 11. Degrees, minutes, and seconds, are marked respectively... | |
 | Rufus Putnam - Arithmetic - 1849 - 402 pages
...as, the surface к FH К. 45. 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. Hence, a semicircle contains 180 degrees, and a quadrant,... | |
 | Charles Davies - Geometry - 1850 - 218 pages
...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 - Arithmetic - 1850 - 412 pages
...others. DIVISION OF THE 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... | |
 | Charles Davies - Geometry - 1850 - 238 pages
...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 °... | |
 | Daniel Adams - Measurement - 1850 - 144 pages
...circle. Thus, AFB, BFC, and CJRD, are sextants. 10. The circumference of every circle 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. 11. Degrees, minutes, and seconds, are marked respectively... | |
 | Francis Lieber - Encyclopedias and dictionaries - 1851 - 630 pages
...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,... | |
 | Richard Phillips (sir.) - 1851
...constellation, and near the star A. 40. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees ; each degree into 60 equal parts, called minutes, and each minute into 60 parts, called seconds. 41. The division of the zodiac into signs is of very ancient... | |
 | Charles Davies - Geometry - 1886 - 340 pages
...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 - Arithmetic - 1852 - 410 pages
...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 25°... | |
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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. 
