 The circumference of 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.  Elements of Surveying - Page 21by Charles Davies - 1830 - 300 pagesFull view - About this book
 | John Bonnycastle - Geometry - 1848 - 320 pages
...stands at the angular point being always to be read in the middle. CD B *47. The circumference of every circle is supposed to be divided into 360 equal parts,...each degree into 60 equal parts, called minutes; and so on. 48. The measure of any right-lined angle is an arc of a circle contained between the two lines... | |
 | Francis Lieber - Encyclopedias and dictionaries - 1851 - 630 pages
...brazen meridian is the circle in which the artificial globe turns, divided into 360 degrees. Every circle is supposed to be divided into 360 equal parts,...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
...globe, and, 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 Lee Comstock - Physics - 1852 - 576 pages
...constellation, and near the star A. 132. 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. The division of the zodiac into signs, is of very ancient date, each sign having... | |
 | 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... | |
 | Lucius D. Gould - Carpentry - 1853 - 234 pages
...contained by the 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... | |
 | Charles Haynes Haswell - Engineering - 1853 - 318 pages
...without cutting it. A Cotangent is the tangent of the' complement of the arc. 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, and BO on. The Complement of an angle is what remains after... | |
 | Samuel Maunder - 1853 - 852 pages
...a circle, is a sector having a quarter of the circumference for its arc. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; each degree into GU minutes; and each minute into 60 seconds : hence a semicircle contains ISO degrees, and a quadrant... | |
 | John Lee Comstock - 1854 - 418 pages
...constellation, and near the star A. 132. 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. The division of the zodiac into signs, is of very ancient date, each sign having... | |
 | Elias Loomis - Trigonometry - 1855 - 192 pages
...plane triangles; Spherical Trigonometry treats of spherical triangles. (19.) 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. Degrees, minutes, and seconds are designated by the characters... | |
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