| Philip Ronayne - 1738 - 421 sider
...I. Of 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... | |
| John Ward (of Chester.) - 1747 - 480 sider
...IPlane I. Л Circle is DEFINITIONS. fuppos'd to be divided into 360 ecjual Parts, called Degrees ; **and each Degree into 60 equal Parts, called Minutes ; and each Minute into 60** equal Parts, called Seconds, ÜV. Any Portion of whofe Circumference is called an Arch, and is meafured... | |
| Thomas Simpson - 1748 - 77 sider
...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 Minutes, &c. B G 3. Any Part AB of H the Periphery of the Circle... | |
| Robert Simson - 1775 - 520 sider
...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 sider
...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... | |
| John Hamilton Moore - 1791 - 296 sider
...any 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... | |
| John McGregor (teacher of mathematics.) - 1792 - 431 sider
...oblique-angled 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,... | |
| Robert Gibson - 1795 - 319 sider
...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, and thefe into Thirds, Fourths, &c. thefe Parts being greater or lefs as... | |
| William Taylor - 1800 - 519 sider
...called the Radius. 8. The circumference of every circle is divided into 360 equal parts called Degrees ; **each degree into 60 equal parts, called Minutes ; and each minute into 60** equal parts, called Seconds, &c. Any part of the the circumference is called an Arch. 9. The Chord... | |
| Abel Flint - 1804 - 168 sider
...The. Circumference of every Circle is supposed 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 ; jktl these into Thirds, &c. Ifote. .-Since all Circles are divided into... | |
| |