| Richard Turner - 1787 - 88 pages
...is) to find how many Miles it is round. A Line going round our Globe, is fuppofed by Mathematicians **to be divided into 360 equal Parts, called Degrees ; and each of** thofe Parts are fuppofed to be divided into 60 other equal Parts, called Minutes. Now our Countryman,... | |
| 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 1 80 degrees,... | |
| 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 Seconds ;... | |
| 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, and... | |
| John Bonnycastle - Trigonometry - 1806 - 464 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... | |
| 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, &c.... | |
| 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 seconds, or... | |
| Richard Turner - 1810 - 386 pages
...is) to find how many miles it is round. A line going round our globe, is fuppofed by .mathematicians **to be divided into 360 equal parts, called degrees; and each, of** thefe .parts is fuppofed to be divided into 60 other equal parts, called minutes. Now our countryman,... | |
| Thomas Keith - Navigation - 1810 - 482 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... | |
| Robert Gibson - Surveying - 1811 - 592 pages
...called 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, and these... | |
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