| Samuel Webber - Mathematics - 1801
...which 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
...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 - Surveying - 1804 - 168 pages
...divides 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... | |
| John Bonnycastle - Trigonometry - 1806 - 419 pages
...by an 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 - Surveying - 1806 - 452 pages
...parts 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,... | |
| Andrew Mackay - Latitude - 1809 - 8 pages
...celestial Equator or EQUINOCTIAL. The Equator as well as all other great circles of the sphere, is **divided into 360 equal parts, called degrees ;* each degree is divided into** 6O equal parts, called minutes; and the sexagesimal division is continued. The MERIDIAN of any place,... | |
| Thomas Keith - Navigation - 1810 - 420 pages
...the 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 - Trigonometry - 1810 - 125 pages
...about 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 - Geometry - 1810 - 518 pages
...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
...measured by 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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