 | Robert Simson - 1775 - 520 páginas
...circumference of a circle is fuppofed to be divided into H h ' 360 360 equal parts called degrees, and each degree into 60 equal parts called minutes, and each minute into 6e equal parts called feconds, &c. And as many degrees, minutes, feconds, &c as are contained in any... | |
 | Euclid - 1781 - 520 páginas
...between the tan.ngles HKB, ABC will \.E arc right ; therefore rill• 360 equal parts called degrees, and each degree into 60 equal parts called minutes, and each minute into 60 equal parts called feconds, &c- And as many degrees, minutes, feconds, &c. as are contained in any arch, of fo many degref.s... | |
 | John Hamilton Moore - 1791 - 296 páginas
...Circle. All Circles, whether great or fmall, are 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. A Semicircle is 180 Degrees, and a Quadrant contains 90 Degrees. A Right Angle contains 90 Degrees... | |
 | John McGregor (teacher of mathematics.) - 1792 - 431 páginas
...trigonometry. The circumference of any circle, is divided into 360 equal parts, called degrees, and each degree into 60 equal parts, called minutes, and each minute into 60 equal parts, called féconds, and fo on. JVi/f, Degrees are frequently marked °, and minutes '. Thus, 30 degrees, 14 minutes,... | |
 | Robert Gibson - 1795 - 319 páginas
...The Circumference of every Circle is fuppofed 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 thefe into Thirds, Fourths, &c. thefe Parts being greater or lefs as the Radius is. 19. A Chord... | |
 | Benjamin Donne - 1796
...calculating the proportion which angles bear to each other, fuppofe the circumference of every circle to be divided into 360 equal parts, called Degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts named feconds, &c. Ar. B. Sometimes the circumference of a circle... | |
 | Thomas Simpson - 1799 - 79 páginas
...The periphery of every circle is fuppofed 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 feconds, or fecond minutes, &c. ' B a 3- Any HK/ 3. Any part AB of the periphery of the circle is called... | |
 | William Taylor - 1800 - 519 páginas
...a' femi-eircle • half the diameter is called the Radius. 8. The circumference of every circle is divided into 360 equal parts called Degrees ; each...and each minute into 60 equal parts, called Seconds, &c. Any part of the the circumference is called an Arch. 9. The Chord of an arch, is a right line joining... | |
 | 1801 - 426 páginas
...the two sides, that, 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... | |
 | Alexander Adam - 1802 - 858 páginas
...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. greater or ¡efs according... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. 
