 | 1801 - 446 pàgines
...stands at the angular point, is rend in the middle. C 56. The 39° 5 6. 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 do seconds, and so on. Hence a semicircle contains... | |
 | Tiberius Cavallo - 1803 - 490 pàgines
...circle ; but for the conveniency of expreffing this part, the whole circle is divided, or is fuppofed to be divided, into 360 equal parts called degrees* each degree is fubdivided into 60 equal parts called minutes, each minute is divided into 60 eqiial parts ca.\\zAfeconds... | |
 | Abel Flint - 1804 - 226 pàgines
...the Circle into two equal parts, called Semicircles ; as AB or DE. 14. 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... | |
 | Thomas Hogg - 1806 - 130 pàgines
...a semicircle, or one quarter of a circle. 8. The circumference of every circle is divided into 35o equal parts, called degrees ; each degree is supposed...to be divided into 60 equal parts, called minutes ; each minute is supposed to be subdivided into 60 seconds, Sec. Hence, a semicircle contains 180,... | |
 | John Bonnycastle - 1806 - 464 pàgines
...arc of a circle contained between its two legs, and having the angular point for its centre. Every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts, called seconds ; &c. So that... | |
 | Robert Gibson - 1806 - 486 pàgines
...called semicircles ; and is double the radius, as AB or DE. fig. 8. • 18. 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,... | |
 | Thomas Keith - 1810 - 478 pàgines
...measure of the angle aBC and the arc DE is the measure of the angle ABC. (H) The circumference of every circle is supposed to be divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds. The angles are... | |
 | Thomas Simpson - 1810 - 168 pàgines
...the circle be supposed divided into some assigned number of equal parts. 2. The periphery 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... | |
 | Euclid - 1810 - 554 pàgines
...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,... | |
 | Edward Augustus Kendall - 1811 - 462 pàgines
...the arcs of a circle, contained between the two legs, having the angular point for its centre. Ev.ery circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parti, called minutes $ each minute into' 60 equal parts, called seconds. " An angle... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees... 
