 | John Davis - 1854 - 190 pàgines
...perpendicular to each other. 38. The circumference of every circle, in geometry, is sup- •. posed to be divided into 360 equal parts, called degrees, and each degree subdivided into 60 minutes, and each minute into 60 seconds, and so on. Hence a semicircle contains... | |
 | Roswell Chamberlain Smith - 1856 - 334 pàgines
...degrees, the whole circle of the Zodiac.7 75. Every circle, whether the greatest or least possible, is divided into 360 equal parts, called degrees, and each degree into 60 equal 1 PLANET, from planao, G. to wander, means a celestial (4) body, which revolvea about the sun or other... | |
 | Charles Guilford Burnham - 1857 - 328 pàgines
...the circle into two equal parts called semicircles. 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 seconds ; and these into thirds, etc. Hence a semicircle... | |
 | Charles Guilford Burnham - 1857 - 342 pàgines
...the circle into two equal parts called semicircles. 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 seconds ; and these into thirds, etc. Hence a semicircle... | |
 | Charles Guilford Burnham - 1859 - 338 pàgines
...parts called semicircles. 14. The circumference of every circle is supposed to be divided into 860 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, eta Hence a semicircle... | |
 | William Grier - 1861 - 316 pàgines
...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 180 degrees, and a quadrant... | |
 | Thomas Baker (C.E.) - 1865 - 174 pàgines
...radii and the arc FE, will be the sector of a circle. 27. 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, &e. Hence a semicircle contains 180 degrees, and a quadrant 90... | |
 | Gerardus Beekman Docharty - 1867 - 474 pàgines
...stands at the angular point is read in the middle. 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 180 degrees, and a quadrant... | |
 | David Murray - 1878 - 284 pàgines
...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... | |
 | William Alfred Browne - 1879 - 364 pàgines
...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,... | |
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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, etc. 
