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" The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c. "
The Theory and Practice of Surveying: Containing All the Instructions ... - Σελίδα 45
των Robert Gibson - 1821 - 544 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

The yachtsman's handybook for sea use

James Rosser - 1877
...as AF, or B r. 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; which are respectively marked ° ' ". (See p. 1, Table A.) Since the...

Manual of Land Surveying, with Tables

David Murray - 1878 - 259 σελίδες
...angle A. For the purpose of expressing this measurement, we conceive the circumference of a circle to be divided into 360 equal parts, called degrees, and each degree _ into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. They are...

New Elementary Arithmetic: Embracing Mental and Written Exercises for ...

Benjamin Greenleaf - 1879 - 224 σελίδες
...circle is any straight line drawn through the center, and terminated by the circumference, as AE. 173. The circumference of every circle is supposed to be divided into 360 equal parts, called Degrees. B180" 270" What is a Circle ? The Circumference of a circle ? What is an Arc of a circle ? A Diameter?...

The merchants' handbook

William Alfred Browne - 1879 - 342 σελίδες
...founded upon a basis furnished by Nature. The Quadrant of the Earthis Meridian- was divided into 9 equal parts called Degrees, and each Degree into 60 equal parts called Minutes. One of these Minutes was the Neapolitan Miglio or Mile. The Thousandth part of the Miglio was the Passo,...

The popular encyclopedia; or, 'Conversations Lexicon': [ed. by A. Whitelaw ...

Popular encyclopedia - 1879
...pole. The 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, called dfgrees; each degree into 60 equal parts, called minutes; each minute into 60 equal parts, called seconds,...

Scientific and practical geometry for self-instruction

Rolla Rouse - 1879
...angle with a circumference, the latter is taken 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 ; a right angle containing 90 degrees, and a semicircle 180 degrees....

Colton's Common School Geography: Illustrated by Numerous Engravings and ...

Joseph Hutchins Colton - 1880 - 148 σελίδες
...purpose of measurement, every circle is conceived to be divided into 3(30 equal parts called Degrees ; each degree, into 60 equal parts called minutes; and each minute, into GO equal parts called Seconds. Degrees are marked °, minutes ', seconds ''. 5. The great circle which...

The New Sydenham Society's Lexicon of Medicine and the Allied Sciences ...

New Sydenham Society, Henry Power, Leonard William Sedgwick - 1882
...all the right lines that can be drawn from its central point to any part of it equal The periphery of every circle is supposed to be divided into 360 equal parts, called degrees. C., •'«« of. The area of a circle is found by multiplying die square of the diameter by C., cll'lary....

A complete English grammar

Mathew Wilson - 1884 - 277 σελίδες
...adjectives one, each, either, neither, every, are in the third person singular; as, " Every circle is divided into 360 equal parts, called degrees, and each degree into 60 minutes." f- Adjectives should be employed to modify nouns; adverbs to modify verbs and adjectives;...

Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies, Adrien Marie Legendre - 1885 - 512 σελίδες
...angle. For convenience, the quadrant is divided into 90 equal parts, each of which is called a degree ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are denoted by the symbols °, ', "....




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