| Archibald Patoun - 1734 - 568 pages
...of every Circle is fuppofed to be divided into 360 equal Parts, called Degrees ; and each Degree is divided into 60 equal Parts, called Minutes ; and each Minute into 60 equal Parts, called Seconds; and thele into Thirds> Foarlbs, ore. thefe Parts being greater or lefs according as the Radius is.... | |
| Philip Ronayne - 1738 - 458 pages
...DEFINITIONS. i. A Circle is fuppos'd to be r\ divided into 360 equal Parts, called Degrees j and each Degree into 60 equal Parts, called Minutes ; and each Minute into 60 equal Parts, called Seconds 5 t£c. Any Portion \ of whofe Circumference is called an Arch, and is meafured by the Number of Degrees... | |
| John Barrow - 1750 - 498 pages
...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, &c. which are written in this manner 51°, 16', 14", which fignifies 51 Degrees 16 Minutes, 14 Seconds.... | |
| Benjamin Donne - 1758 - 430 pages
...be called a Day; which Day they fubdivided into 24 equal Parts called Hours, and each of thefe again into 60 equal Parts called Minutes, and each Minute into 60 equal Parts called Seconds, &c. 60 Seconds-) 60 Minutes 24 Hours 365 Days 366 Days Minute Hour Day Ii Common lear Li Leap-Year Here... | |
| 1867 - 878 pages
...of measuring angles, according to which the circumference of every circle is considered as divided into 360 equal parts, called degrees, each degree being divided into 60 minutes, and each minute into 60 seconds, the signs for which are respectively ° ' ". The fourth part... | |
| Archibald Patoun - 1770 - 568 pages
...of every Circle is fuppofed to be divided into 360 equal Parts, called Degrees, and each Degree is divided into 60 equal Parts, called Minutes-, and each Minute into 60 equal Parts, called Seconds ; and thefe into Thirds, Fourths, &c. thefe Bans being greater or lefs according as the Radius is.... | |
| John Ward - 1771 - 510 pages
...I. A Circle is fuppofed to be diЩ _£\^ vided into 360 equal Parts called Degrees ; and each Degree into 60 equal Parts, called Minutes ; and each Minute into 60 equal Parts, called Seconds, lac. Any Portion of whqfe Circumference is called an Arch, and is meaof Degrees it contains. 2. A Chord... | |
| Benjamin Donne - 1775 - 336 pages
...are a Semicircle, or 2 Rt. ¿.s, and 90 Degrees a Quadrant, or Rt L. j) each Degree is fuppofed to be divided into 60 equal Parts, called Minutes, and each Minute into 60 equal Parts, called Seconds, &c. Hence it is plain, that in une' qual Circles, as well as in equal, equal Angles are fubtended by an... | |
| Robert Simson - 1775 - 534 pages
...of a circle is fuppofed to be divided into Hh ' 360 360 equal parts called degrees, and each degree into 60 equal parts called minutes, and each minute into 60 equal pans called feconds, &c. And as many degrees, minutes, ftconds, &c as are contained in any arch, of... | |
| Euclid - 1781 - 552 pages
...C ; the arch AC is called the mea« angle ABC. II. 360 equal pnrts 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, fcconds, &c. as are contained in any arch, of fo many degrees,... | |
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