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 Βιβλία Βιβλία 81 - 90 από 184 για 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... An elementary treatise on arithmetic, in theory and practice: adapted to the ... - Σελίδα 66
των James Ryan - 1827 - 272 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## Rudiments of modern geography

Alexander Reid - 1842 - 144 σελίδες
...geographical circles, are, for the convenience of fixing the position of places and measuring their distances, divided into 360 equal parts called degrees' ; each degree is subdivided into 60 minutes' ,and each minute into 60 seconds". The equator divides the globe into the northern and southern... ## Rudiments of modern geography

Alexander Reid - 1842 - 144 σελίδες
...geographical circles, are, for the convenience of fixing the position of places and measuring their distances, divided into 360 equal parts called degrees° ; each degree is subdivided into CO minutes' ,. and each minute into CO seconds". The equator divides the globe into the northern and... ## The Scientific and Literary Treasury: A New and Popular Encyclopedia of the ...

Samuel Maunder - 1843 - 832 σελίδες
...compasses, fixing one foot in the centre and turning the other round to trace out the circumference. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees and marked ° ; and each degree into 60 mi nutes, marked'. The word Circle is also used to describe... ## Encyclopaedia Americana: A Popular Dictionary of Arts, Sciences ..., Τόμος 5

1844
...The brazen meridian is the circle in which the anifi- L cial globe turns, divided into 360 degree*. Every circle is supposed to be divided into 360 equal parts, called degrees, each degree into 60 equal parts, called minute*, \ each minute into 60 equal parts, called seconds, &c. ; a degree... ## Arithmetic, Designed for Academies and Schools

Charles DAVIES (LL.D.) - 1843 - 12 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,... ## Elements of Geography, Modern and Ancient with a Modern and an Ancient Atlas

Joseph Emerson Worcester - 1844 - 331 σελίδες
...globe. One is the north, and the other the south pole ; and they are each 90 degrees from the equator. The circumference of every circle is supposed to be...into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called secotuls. They are... ## A Treatise on Plane and Spherical Trigonometry: Including the Construction ...

Enoch Lewis - 1844 - 228 σελίδες
...What an arc lacks of a semicircle, is called its supplement. Thus BHD is the supplement of AB. 10. The circumference of every circle is supposed to be...into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; each minute into 60 equal parts, called seconds, &c. Degrees,... Charles Davies - 1844 - 340 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. 60 seconds " make 1 minute, marked '. 60 minutes - - 1 degree, - - °, 30 degrees - - 1 sign, - - -... ## The American House-carpenter: A Treatise Upon Architecture, Cornices and ...

Robert Griffith Hatfield - 1845 - 304 σελίδες
...abd, (see note to Art. 27,) then each of the two angles is called a right angle. 131. — Definition. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; hence a semi-circle contains 180 degrees, a quadrant 90, &c. o Fig. 96. 132. — Definition. The... ## The Globes, Celestial and Terrestrial

Augustus De Morgan - 1845 - 147 σελίδες
...divided into 360 equal parts, each of which is called a degree (of the circle). Each degree is divided into 60 equal parts called minutes, each minute into 60 equal parts called seconds. These are abbreviated as follows : — 38 degrees, 29 minutes, 42 seconds, is written 38° 29' 42"....