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 Βιβλία Βιβλία 61 - 70 από 185 για The circumference of every circle is supposed to be divided into 360 equal.... The circumference of every circle is supposed to be divided into 360 equal... First Lessons in Arithmetic: Combining the Oral Method with the Method of ... - Σελίδα 162
των Charles Davies - 1849 - 168 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## A New System of Practical Astronomy: Made Plain and Easy to Those who Have ...

Thomas Spofford - 1835 - 72 σελίδες
...circumference ia equally distant from a point within the circle, called the centre. The circumference of every circle is supposed to be 'divided into 360 equal parts called degrees ; each degree into 60 equal parls called minutes, and each minute into 60 equal parts called seconds. Colurea ; those... ## A System of Geometry and Trigonometry: With a Treatise on Surveying; in ...

Abel Flint - 1835 - 334 σελίδες
...Tivides the circle into two equal parts, calle. .emicircles ; as AB or DE. Fig. 5. 14. The , jmference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minute*; and each minute into 60 equal parts, called... ## The Elements of Euclid: viz. the first six books, together with the eleventh ...

Euclid, Robert Simson - 1835 - 513 σελίδες
...and BC, in A and 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,... ## Geometry: Applied to the Mensuration of Lines, Surfaces, Solids, Heights and ...

B[enjamin] Franklin Callender - 1836 - 211 σελίδες
...CHAPTER I. MENSURATION OF ANGLES AND TRIANGLES. SECTION I. Definitions and ProblemS. Every circle is divided into 360 equal parts, called degrees ; each degree is divided into 60 equal parts, called minutes ; each minute is divided into 60 equal parts, called seconds; seconds are... ## The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ...

William Grier - 1836 - 344 σελίδες
...sides, that which stands at the angular point is read in the middle. Thus DAE. 57. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; and each degree into 60 minutes, each minute into 60 seconds, and so on. Hence a semicircle contains... ## Treatise on Arithmetic, in Theory and Practice: With an Appendix, Containing ...

James Thomson (LL.D.) - 1837 - 284 σελίδες
...months after it follow the rule. r 48 TABLES. TABLE OF THE DIVISION OF THE CIRCLE. 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; and each minute into 60 equal parts, called seconds.... ## Practical Mercantile Arithmetic: In which the Theory and Practice of ...

Luther Ainsworth - 1837 - 272 σελίδες
...many equal parts is every circle supposed to be divided ? A. Every circle, whether great or small, is supposed to be divided into 360 equal parts, called degrees. Each degree is also subdivided into 60 minutes, and each minute into 60 second!*. 245 MENSURATION OF SUPERFICIES.... ## The Encyclopædia of Geography: Comprising a Complete Description ..., Τόμος 1

Hugh Murray - 1837
...diameter, and consequently nearly 24,870 miles in circumference. In geometry, the circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each of these into 60 equal parts, called minutes, and so on. A degree, therefore, of any circle... ## Mental and Practical Arithmetic: Designed for the Use of Academies and Schools

Charles Davies - 1838 - 288 σελίδες
...used in estimating latitude and longitude, and also in measuring the motions of the heavenly bodies. Every circle is supposed to be divided into 360 equal parts, called degrees. TABLE. 60 seconds " make 1 minute, marked '. 60 minutes - - 1 degree, - - °. * 30 degrees - - 1 sign,... ## A Course of Mathematics: Containing the Principles of Plane ..., Τόμοι 1-3

Jeremiah Day - 1838
...measuring the latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each degree into 60 minutes, each minute into 60 seconds, each second into 60 thirds, &c., marked with the characters...