| Henry Curzon - 1712
...one fide more 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... | |
| Philip Ronayne - 1717 - 408 pages
...«r U v ^ > 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 , ÖV. Any Partien... | |
| John Ward - 1719 - 451 pages
...ntceffarj to fremife, That I. The Periphery (or Circumference') of every Circle (whether Great or Small} **is fuppofed to be Divided into 360 equal Parts, called Degrees ; And** every one of thofe Degrees are Divided into 60 equal Parti called Minutes, &c. •: All Jnglet are... | |
| Edmund Stone - 1721 - 44 pages
...the Tangent of half that Arc$ whence the greateft Semitangent, or that of 1 80 Degrees, is infinite. **The Circumference of every Circle is fuppofed to be...360 equal Parts, called Degrees ; and each Degree** in 60 equal Parts, called Minutes, &c. This Number was chofen by Geometricians for the Diviiion of... | |
| Thomas Simpson - 1748 - 77 pages
...and about, the 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, or fecond... | |
| Henry Wilson - 1761 - 528 pages
...at a, is the Center of the Circle required. SECT. II. The ConftmSlion of Sines, Sec.' E VERY great **Circle is (fuppofed to be) divided into 360 equal Parts, called Degrees,** whereof the Half, or Semicircle, contains 180 Degrees, and the Quarter or Quadrant is 90 Degrees, and... | |
| John Ward - 1771 - 480 pages
...of this Problem, RN: SN::RA: Г A. And RN : RS : : RA : RT= the Secant of that Arch. DEF INITIONS. **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. Any... | |
| William Nicholson - 1784 - 223 pages
...;the arc BC : the arc b c. Which was tobe proved. Scholium. In the practical admeafurement of angles, **every circle is fuppofed to be divided into 360 equal parts called degrees,** which degrees are again divided each into 60 equal parts called minutes, and thofe minutes again each... | |
| Vasiliĭ Nikitich Nikitin, Prokhov Ignatévich Suvorov - 1786 - 101 pages
...ftrait lines 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... | |
| Robert Gibson - 1795 - 319 pages
...Circumference into two equal Parls oukd Semicircles ; and is double the Radius, as AB cr DE. Fig. 8. 1 8. **The Circumference of every Circle is fuppofed to be...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... | |
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