 | Mathematics - 1801 - 446 pages
...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 1... | |
 | Abel Flint - Surveying - 1804 - 226 pages
...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 Seconds... | |
 | Robert Gibson - Surveying - 1806 - 486 pages
...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 Simpson - Trigonometry - 1810 - 168 pages
...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 seconds,... | |
 | Euclid - Geometry - 1810 - 554 pages
...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,... | |
 | Robert Gibson - Surveying - 1811 - 580 pages
...semicircles ; and is double the radius, as AB or DE. fig. 8. m *!6. 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 caled seconds,... | |
 | Adam Walker - 1812 - 92 pages
...language of geography 59° 56'N. and 30° 24'E.; for every circle, large or small, real or imaginary, is supposed to be divided into 360 equal parts, called degrees ; and every degree into 60 parts, called minutes; and every minute into 60 parts, called seconds, marked... | |
 | Robert Gibson - Surveying - 1814 - 558 pages
...called semicircles; and isdoublethe radius, as AB or DE. fig. 8. 16. 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,... | |
 | John Bonnycastle - Astronomy - 1816 - 490 pages
...equator, we are enabled to judge of the situation of the place with respect to its latitude. Every circle is supposed to be divided into 360 equal parts, called degrees, and every degree into sixty equal parts, called minutes; so that, from these considerations, you will readily... | |
 | Robert Gibson - Surveying - 1818 - 502 pages
...be supposed to be 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 seconds... | |
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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 minutes, each minute into 60 seconds, and so on. 
