| John Bonnycastle - Geometry - 1848 - 288 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 - 578 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 - 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... | |
| 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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