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Books Books 31 - 40 of 185 on The circumference of every circle is supposed to be divided into 360 equal parts,....  
" The circumference of every circle is supposed to be divided into 360 equal parts, called degrees... "
A Treatise on Surveying, Containing the Theory and Practice: To which is ... - Page 27
by John Gummere - 1841 - 266 pages
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An Introduction to the Theory and Practice of Plain and Spherical ...

Thomas Keith - Navigation - 1826 - 442 pages
...the measure of the angle авс and the arc DE is the measure of the angle ABC. (H) The circumference of every circle is supposed to be divided into 360...degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds. The angles are measured by the number of degrees cut...
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A New Treatise on the Use of the Globes: Or, A Philosophical View of the ...

Thomas Keith, Robert Adrain - Globes - 1826 - 334 pages
...1820, is 14° 13' 7" ; and its declination 88° 20' 55" N. Connoissance des Terns, for 1820, p. 168. t Every circle is supposed to be divided into 360 equal parts called degrees ; each minute, into 60 equal parts called seconds, &c. : (a degree therefore is of different lineal extent,...
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An elementary treatise on arithmetic, in theory and practice: adapted to the ...

James Ryan - Mathematics - 1827 - 276 pages
...the 17th of March and the 25th of December t Ans. 283. Division of the Circle. 47. The circumference of every circle is supposed to be divided into 360 equal parts called degrees — each degree is subdivided into 60 equal parts called minutes, — each minute into 60 equal parts called seconds—...
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The Elements of Euclid: The Errors by which Theon, Or Others, Have Long ...

Robert Simson - Trigonometry - 1827 - 513 pages
...meeting BA, BC, in A, C ; the arch AC is called the measure of the angle ABC. II. The circumference of a 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,...
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The Complete Mathematical and General Navigation Tables: Including ..., Volume 1

Thomas Kerigan - Nautical astronomy - 1828 - 664 pages
...hemisphere, and the other, the southern hemisphere. — The equator, like all other great circles, is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes } each minute into 60 equal parts, called seconds, and so on. The Meridian, of any place on the earth...
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Sequel to The Analytical Reader: In which the Original Design is Extended ...

Samuel Putnam - Readers (Secondary) - 1828 - 300 pages
...poor and destitute. • ANGLE, a corner, formed usually by the meeting of two lines. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees. A semi-circle, of course, contains li!0 degress, and a quadrant, or quarter of a circle, contains SO...
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The science of mechanics, as applied to the present improvements in the ...

Zachariah Allen - Science - 1829 - 364 pages
...its extremities, as CD, A D. A quadrant is a sector forming a quarter of a circle. 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. Hence a semicircle contains 180 degrees, (marked 1 8011)...
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The London encyclopaedia: or, Universal dictionary of science ..., Volume 10

Thomas Curtis - Encyclopedias and dictionaries - 1829
...sides are called the LEGS, or sometimes the base and perpendicular. Fig. 10. 40. The circumference of every circle is supposed to be divided into 360 equal parts, called DEGREES, and each degree into sixty MIMUTES, each minute into sixty SECOND, and so on. Hence a semicircle contains...
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A concise syopsis of geography, for the use of the junior department of the ...

Sandhurst roy. military coll - History - 1829
...into two equal parts ; a small circle divides it into two unequal parts. Every circle on the globe is supposed to be divided into 360 equal parts, called degrees. Each degree is subdivided into 60 minutes, and each minute into 60 seconds. ,(.,,,--.. j The Equator or Equinoctial...
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First Lessons in Plane Geometry: Together with an Application of Them to the ...

Francis Joseph Grund - Geometry, Plane - 1830 - 255 pages
...arcs of circles, described with any radius between their legs. The circumference is for this purpose divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; each minute again into 60 equal parts, called seconds, &c. 16. The magnitude of an angle does not depend...
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