 | H. Curzon - 1712 - 596 Seiten
...than another. And an Oblique Angle is either Acute, (ie Sharp) or Obtufe, /'. e. Blunt. Every Circle is fuppofed to be divided into 360 equal Parts, called Degrees, and every Degree into 60 Minutes, and each Minute into 60 Seconds, &c. Some fuppofe every Degree to be divided... | |
 | Philip Ronayne - 1717 - 478 Seiten
...> I « PARTI. .•;.-. . ... Of TRIGONOMETRf. f * r*" . У ;: "> •" ^ Definitions. ï; Д Circle is fuppofed to be ^* divided into 360 equal Parts, called Degrees, and each Degree into 60 equab Pans>calledMinutes,?md each Minute into 60 eqpal Parts1 called Seconds ,... | |
 | E. S., Edmund Stone - 1721 - 60 Seiten
...whence the greateft Semitangent, or that of 1 80 Degrees, is infinite. The Circumference of every Circle is fuppofed to be divided into 360 equal Parts, called Degrees ; and each Degree in 60 equal Parts, called Minutes, &c. This Number was chofen by Geometricians for the... | |
 | John Ward (of Chester.) - 1724 - 480 Seiten
...In. order to Jhorten fevernl of the following Demon Jiratious, it will be neceffary topnmife, That j. The Periphery (or Circumference) of every Circle (whether Great or Small) is fuppofed to be Divided'u&o 360 equ/d Parts-, called Degrees ; and every one of thofe Degrees are 't)ivid?d\\vo 6t>... | |
 | Euclid, Henry Hill - 1726 - 296 Seiten
...to ihorten feveral of the following Demonftrations, it will be neccflary to premife thus much. That the Periphery (or Circumference) of every Circle (whether...to be divided into 360 equal Parts, called Degrees. That all Angles are meafured by the Arch of a Circle defcribed upon the Angular Point, and are efteemed... | |
 | Archibald Patoun - 1734 - 568 Seiten
...Circumference into two equal Parts, and is double the Radius. 1 6. The Circumference 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 e?ual Parts, called... | |
 | Thomas Simpson - 1748 - 84 Seiten
...Circle, be fuppofed divided into fome afligned Number of equal Parts. 2. 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 Seconds,... | |
 | Robert Gibson - 1795 - 384 Seiten
...Semicircles ; and is double the Radius, as AB cr DE. Fig. 8. 1 8. 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,... | |
 | Thomas Simpson - 1800 - 448 Seiten
...circle, be fuppofed divided into fome affigned number of equal parts. 2. The periphery of every circle is fuppofed to be divided into 360 equal parts, called degrees ; and each degree into 60 cgual parts, called minutes, and each minute into 60 equal parts, called feconds,... | |
 | Robert Simson - 1804 - 530 Seiten
...BC, in A, C ; the arch AC is called the meafure of the angle ABC. II. The circumference of a 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,... | |
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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 Seconds, or fecond Minutes, &c. 