| Vasiliĭ Nikitich Nikitin, Prokhov Ignatévich Suvorov - 1786 - 101 sider
...belong as well to the arches, as to the angles at the center, which ftand on them. 2 . The circumference **of every circle is fuppofed to be divided into 360 equal parts,** which are called degrees (poij <xî, gradus) -, and every degree into 60 equal parts, which are called... | |
| Thomas Simpson - 1800 - 400 sider
...but alfo that certain right lines, in and about the circle, be fuppofed divided into fome affigned **number of equal parts. 2. The periphery of every circle...equal parts, called degrees ; and each degree into 60** cgual parts, called minutes, and each minute into 60 equal parts, called feconds, or fccond minutes,... | |
| Samuel Vince - 1800 - 179 sider
...triangle, the other three may be found, in all cafes where the data are fufficient. $-j. The circumference **of every circle is fuppofed to be divided into 360 equal parts, called Degrees** ; every degree into 60 equal parts called Minutes ; every minute into 60 equal parts called Seconds... | |
| Samuel Webber - 1801
...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, and a quadrant... | |
| Alexander Adam - 1802 - 858 sider
...diameter. The di;trne'erj and radii of the fame circle are always equal to one another. The circumference **of every circle is fuppofed to be divided into 360 equal parts, called degrees** ; each degree into 60 mi* ñutes \ each minute into 60 feccnds ; and thefe into thirds, fourths, &c.... | |
| Benjamin Workman - 1809 - 191 sider
...the middle, but divides it unequally. LeflVr circles are coai* monly parallel to fome great circle7. **Every circle is fuppofed to be divided into 360 equal...and each degree into 60 equal parts, called Minutes** ; each minute in 60 Seconds, £c. 8. A degree of a great circle, on the earth, contains 60 geographical... | |
| John Ewing - 1809 - 538 sider
...circle, whether large or small, is supposed to be divided into 360 equal parts, which are called degrees, **each degree into 60 equal parts called minutes, and each minute into 60** seconds, and so on in a sixagesimal division as far as you please. If the earth be supposed to turn... | |
| James Ferguson, Jeremiah Horrocks - 1809 - 533 sider
...suppose to be divided into 12 equal parts, called signs ; each sign into 30 equal parts, called degrees; **each degree into 60 equal parts, called minutes; and each minute into 60** into 60 equal parts, called seconds : so that a second Plate I. is the 60th part of a minute ; a minute... | |
| Robert Gibson - 1811 - 508 sider
...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,...called minutes, and each minute into 60 equal parts** caled seconds, and these into thirds, fourths, &c. these parts being greater or less as the radius... | |
| John Lee Comstock - 1813 - 340 sider
...star a. 762. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees ; **each degree into 60 equal parts, called minutes, and each minute into 60** parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign having... | |
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