| Mathematics - 1801 - 426 pages
...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 - Aeronautics - 1803 - 490 pages
...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 - Geometry - 1804 - 216 pages
...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 - 132 pages
...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 - Trigonometry - 1806 - 419 pages
...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
...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 - Navigation - 1810 - 420 pages
...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... | |
| 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,... | |
| Thomas Simpson - Trigonometry - 1810 - 125 pages
...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... | |
| Edward Augustus Kendall - 1811 - 462 pages
...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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