| Daniel Adams - 1849 - 128 páginas
...of a circle. Thus, AFB, BFC, and CFD, are sextants. 10. The circumference of every circle is divided **into 360 equal parts, called Degrees; each degree into 60 equal parts, called Minutes** ; and each minute into 60 equal parts, called Seconds. 11. Degrees, minutes, and seconds, are marked... | |
| Rufus Putnam - 1849 - 264 páginas
...a semicircle ; as, the surface FHK. 45. The CIRCUMFERENCE of every circle is supposed to be divided **into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes** ; and each minute into 60 equal parts, called seconds. Hence, a semicircle contains 180 degrees, and... | |
| 1850
...a circle. Thus, AFB, BFC, and CJRD, are sextants. 10. The circumference of every circle is divided **into 360 equal parts, called Degrees ; each degree into 60 equal parts, called Minutes** ; and each minute into 60 equal parts, called Seconds. 11. Degrees, minutes, and seconds, are marked... | |
| Charles Davies - 1850 - 216 páginas
...The circumference of a circle is used for the measurement of angles. For this purpose it is divided **into 360 equal parts called degrees, each degree into 60 equal parts called minutes,** and each minute into 60 equal parts called seconds. The degrees, minutes, and seconds are marked thus... | |
| CHARLES DAVIES, LL.D - 1850
...and so of others. DIVISION OF THE CIRCLE MEASURE OF TIME. 40. Every circle is supposed to be divided **into 360 equal parts called degrees, each degree into 60 equal parts called minutes,** and each minute into .60 equal parts called seconds. For astronomical purposes, the circumference of... | |
| CHARLES DAVIS, L.L. D. - 1850
...The circumference of a circle is used for the measurement of angles. For this purpose it is divided **into 360 equal parts called degrees, each degree into 60 equal parts called minutes,** and each minute into 60 equal parts called seconds. The degrees, minutes, and seconds are marked thus... | |
| 1851
...which the artificial globe turns, divided into 360 degrees. 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. ; a degree is therefore only a relative idea, and not... | |
| Jeremiah Joyce - 1852 - 402 páginas
...by the two legs, having the angular point for its centre. 4. Every circle is supposed to be divided **into 360 equal parts called degrees ; each degree into 60 equal parts, called minutes;** and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds are marked at the... | |
| James B. Dodd - 1852 - 362 páginas
...Circumference, and the Measure of Angles. § 304. The Circumference of every circle is conceived to be divided **into 360 equal parts called degrees, each degree into 60 equal parts called minutes,** and each minute into 60 equal parts called seconds. Degrees, minutes, and seconds, are denoted thus... | |
| Charles Davies - 1886 - 324 páginas
...The circumference of a circle is used for the measurement of angles. For this purpose it is divided **into 360 equal parts called degrees, each degree into 60 equal parts called minutes,** and each minute into 60 equal parts called seconds. The degrees, minutes, and seconds are marked thus... | |
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