... is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and... The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... - Página 11por William Findlay Shunk - 1880 - 318 páginasVista completa - Acerca de este libro
| Philip Ronayne - 1738 - 458 páginas
...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 Ward - 1747 - 492 páginas
...vidcd into DEFINITIONS. fuppos'd to be di-. 360 equal Parts, called Degrees ; and each Degree into 60 equal Parts, called Minutes ; and each Minute into 60 equal Parts, called Seconds, &V. Any Portion of whofe Circumference is called an Arch, and is meafured by the Number of Degrees... | |
| Thomas Simpson - 1748 - 84 páginas
...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, or fecond Minutes, &c. B G 3. Any Part AB of H the Periphery of the Circle is called an Arch, and is... | |
| Benjamin Donne - 1758 - 428 páginas
...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. Further, the Time which is elapfed between the Inftant when the Sun is in the Equinox, or firlt... | |
| Joseph Fenn - 1769 - 536 páginas
...to be divided into 360 equal parts, -which are callea DEGREES ¡ and each of tbefe degrees into ¿o equal parts, called MINUTES ; and each minute into 60 equal parts, called SECONDS &c. in confequence of ibis bypotheßs, У the correjpondence eßablijhed bet-ween the arches, У the... | |
| John Wright (Mathematician) - 1772 - 298 páginas
...to be divided into 360 equal parts, called degrees; each degree ifr fuppofed to be divided into 60 equal parts, called minutes ; and each minute into 60 equal parts, called feconds, &c. 5. Any angle HRB at the centre of a circle, is faid to be an angle of as many degrees,... | |
| Benjamin Donne - 1775 - 338 páginas
...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... | |
| Euclid - 1781 - 552 páginas
...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 - 578 páginas
...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 - 532 páginas
...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,... | |
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